Ask Difference

Side vs. Slope — What's the Difference?

By Tayyaba Rehman & Urooj Arif — Updated on May 20, 2024
Side refers to a surface or part of an object, while slope describes the angle or incline of a surface.
Side vs. Slope — What's the Difference?

Difference Between Side and Slope

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Key Differences

Side refers to one of the surfaces forming the outside of an object or body, such as the side of a box or building. It indicates a flat, defined area that contributes to the overall shape of an item. Slope, on the other hand, describes the steepness or angle of a surface, commonly associated with hills, roofs, or roads. It indicates the degree to which a surface deviates from being level.
The side of an object is typically flat and positioned vertically or horizontally, defining the boundaries of that object. Slope, conversely, refers to an inclined surface that rises or falls at a certain angle, affecting movement and stability.
In geometry, a side refers to a straight edge of a polygon, contributing to its shape and area. In contrast, slope in mathematics is the measure of the steepness or gradient of a line, calculated as the ratio of vertical change to horizontal change.
Side is used in everyday language to refer to parts of objects, such as the side of a table or a side of a dice. Slope is more specialized, often used in contexts involving geography, construction, or physics, describing how one surface rises or falls relative to another.
Side emphasizes a part or surface of a whole, slope highlights the angle or incline of that surface, influencing how objects and people interact with it.
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Comparison Chart

Definition

A surface or part of an object
The angle or steepness of a surface

Geometry

Straight edge of a polygon
Measure of steepness or gradient

Everyday Usage

Refers to parts of objects (e.g., side of a table)
Describes inclined surfaces (e.g., hill slope)

Positioning

Flat, usually vertical or horizontal
Inclined, varying in angle

Context

Common in general descriptions
Common in geography, construction, physics

Compare with Definitions

Side

A distinct part of a larger whole.
She stood by his side throughout the ordeal.

Slope

The angle or incline of a surface.
The slope of the hill made it difficult to climb.

Side

A line bounding a plane figure.

Slope

The upward or downward tilt of terrain.
The driveway's slope causes rainwater to drain away from the house.

Side

A surface bounding a solid figure.

Slope

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. Slope is often denoted by the letter m; there is no clear answer to the question why the letter m is used for slope, but its earliest use in English appears in O'Brien (1844) who wrote the equation of a straight line as "y = mx + b" and it can also be found in Todhunter (1888) who wrote it as "y = mx + c".Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line.

Side

A surface of an object, especially a surface joining a top and bottom
The four sides of a box.

Slope

A surface of which one end or side is at a higher level than another; a rising or falling surface
He slithered helplessly down the slope

Side

A surface of an object that lies on the left or right of that object as viewed from the front or back
From the shore, I watched my friends dive off the side of the boat.

Slope

A person from East Asia, especially Vietnam.

Side

Either of the two surfaces of a thin, flat object
The front side of a piece of paper.

Slope

(of a surface or line) be inclined from a horizontal or vertical line; slant up or down
The garden sloped down to a stream
The ceiling sloped

Side

The part within an object or area to the left or right of the observer or of its vertical axis.

Slope

Move in an idle or aimless manner
I had seen Don sloping about the beach

Side

The left or right half of the trunk of a human or animal body
Always sleeps on his side.
A side of beef.

Slope

To diverge from the vertical or horizontal; incline
A roof that slopes.

Side

The space immediately next to someone
Stood at her father's side.

Slope

To move or walk
"Without another word he turned and sloped off down the driveway" (Roald Dahl).

Side

The space immediately next to something. Often used in combination
Courtside.
Dockside.

Slope

To cause to slope
Sloped the path down the bank.

Side

One of two or more contrasted parts or places within an area, identified by its location with respect to a center
The north side of the park.

Slope

An inclined line, surface, plane, position, or direction.

Side

An area separated from another area by an intervening feature, such as a line or barrier
On this side of the Atlantic.
The district on the other side of the railroad tracks.

Slope

A stretch of ground forming a natural or artificial incline
Ski slopes.

Side

One of two or more opposing individuals, groups, teams, or sets of opinions.

Slope

A deviation from the horizontal.

Side

One of the positions maintained in a dispute or debate.

Slope

The amount or degree of such deviation.

Side

A distinct aspect
The shy side of his personality.

Slope

The rate at which an ordinate of a point of a line on a coordinate plane changes with respect to a change in the abscissa.

Side

Line of descent
My aunt on my mother's side.

Slope

The tangent of the angle of inclination of a line, or the slope of the tangent line for a curve or surface.

Side

An incomplete script that shows the lines and cues of a single performer only.

Slope

Offensive Slang Used as a disparaging term for a person of East Asian birth or ancestry.

Side

An incomplete script that shows only what is to be filmed on a specific day or shoot.

Slope

An area of ground that tends evenly upward or downward.
I had to climb a small slope to get to the site.
A steep slope

Side

Chiefly British In billiards, the spin given to a propelled ball by striking it off center.

Slope

The degree to which a surface tends upward or downward.
The road has a very sharp downward slope at that point.

Side

Located on a side
A side door.

Slope

(mathematics) The ratio of the vertical and horizontal distances between two points on a line; zero if the line is horizontal, undefined if it is vertical.
The slope of this line is 0.5

Side

From or to one side; oblique
A side view.

Slope

(mathematics) The slope of the line tangent to a curve at a given point.
The slope of a parabola increases linearly with x.

Side

Minor; incidental
A side interest.

Slope

The angle a roof surface makes with the horizontal, expressed as a ratio of the units of vertical rise to the units of horizontal length (sometimes referred to as run).
The slope of an asphalt shingle roof system should be 4:12 or greater.

Side

In addition to the main part; supplementary
A side benefit.

Slope

A person of Chinese or other East Asian descent.

Side

To provide sides or siding for
Side a frame house with aluminum.

Slope

(intransitive) To tend steadily upward or downward.
The road slopes sharply down at that point.

Side

To be positioned next to
A couch that is sided by low tables.

Slope

(transitive) To form with a slope; to give an oblique or slanting direction to; to incline or slant.
To slope the ground in a garden;
To slope a piece of cloth in cutting a garment

Side

To align oneself in a disagreement
Sided with the conservatives in Congress.
Siding against the bill.

Slope

To try to move surreptitiously.
I sloped in through the back door, hoping my boss wouldn't see me.

Side

A bounding straight edge of a two-dimensional shape.
A square has four sides.

Slope

(military) To hold a rifle at a slope with forearm perpendicular to the body in front holding the butt, the rifle resting on the shoulder.
The order was given to "slope arms".

Side

A flat surface of a three-dimensional object; a face.
A cube has six sides.

Slope

(obsolete) Sloping.

Side

One half (left or right, top or bottom, front or back, etc.) of something or someone.
Which side of the tray shall I put it on?
The patient was bleeding on the right side.

Slope

(obsolete) slopingly

Side

A region in a specified position with respect to something.
Meet me on the north side of the monument.

Slope

An oblique direction; a line or direction including from a horizontal line or direction; also, sometimes, an inclination, as of one line or surface to another.

Side

The portion of the human torso usually covered by the arms when they are not raised; the areas on the left and right between the belly or chest and the back.
I generally sleep on my side.

Slope

Any ground whose surface forms an angle with the plane of the horizon.
Buildings the summit and slope of a hill.
Under the slopes of Pisgah.

Side

One surface of a sheet of paper (used instead of "page", which can mean one or both surfaces.)
John wrote 15 sides for his essay!

Slope

The part of a continent descending toward, and draining to, a particular ocean; as, the Pacific slope.

Side

One possible aspect of a concept, person, or thing.
Look on the bright side.

Slope

Sloping.
A bank not steep, but gently slope.

Side

One set of competitors in a game.
Which side has kick-off?

Slope

In a sloping manner.

Side

A sports team.

Slope

To form with a slope; to give an oblique or slanting direction to; to direct obliquely; to incline; to slant; as, to slope the ground in a garden; to slope a piece of cloth in cutting a garment.

Side

A group of morris dancers who perform together.

Slope

To take an oblique direction; to be at an angle with the plane of the horizon; to incline; as, the ground slopes.

Side

A group having a particular allegiance in a conflict or competition.
In the Second World War, the Italians were on the side of the Germans until Italy switched sides in 1943.

Slope

To depart; to disappear suddenly.

Side

(music) A recorded piece of music; a record, especially in jazz.

Slope

An elevated geological formation;
He climbed the steep slope
The house was built on the side of the mountain

Side

Sidespin; english
He had to put a bit of side on to hit the pink ball.

Slope

The property possessed by a line or surface that departs from the horizontal;
A five-degree gradient

Side

A television channel, usually as opposed to the one currently being watched (from when there were only two channels).
I just want to see what's on the other side — James said there was a good film on tonight.

Slope

Be at an angle;
The terrain sloped down

Side

A dish that accompanies the main course; a side dish.
Do you want a side of cole-slaw with that?

Slope

An area of ground that slants upward or downward.
They skied down the slope with ease.

Side

A line of descent traced through a particular parent, as distinguished from that traced through another.
His mother's side of the family

Slope

A measure of steepness or gradient.
The slope of the line can be found using its equation.

Side

(baseball) The batters faced in an inning by a particular pitcher.
Clayton Kershaw struck out the side in the 6th inning.

Slope

A surface that deviates from the horizontal.
The roof has a steep slope to allow snow to slide off.

Side

An unjustified air of self-importance.

Side

(drama) A written monologue or part of a scene to be read by an actor at an audition.

Side

A man who prefers not to engage in anal sex during same-sex sexual activity.
My boyfriend and I are both sides; we prefer to do oral and other stuff.

Side

A root.

Side

Being on the left or right, or toward the left or right; lateral.

Side

Indirect; oblique; incidental.
A side issue; a side view or remark

Side

Wide; large; long, pendulous, hanging low, trailing; far-reaching.

Side

(Scotland) Far; distant.

Side

(intransitive) To ally oneself, be in an alliance, usually with "with" or rarely "in with"
Which will you side with, good or evil?

Side

To lean on one side.

Side

To be or stand at the side of; to be on the side toward.

Side

To suit; to pair; to match.

Side

To work (a timber or rib) to a certain thickness by trimming the sides.

Side

(transitive) To furnish with a siding.
To side a house

Side

To provide with, as a side or accompaniment.

Side

To clear, tidy or sort.

Side

Widely; wide; far.

Side

The margin, edge, verge, or border of a surface; especially (when the thing spoken of is somewhat oblong in shape), one of the longer edges as distinguished from the shorter edges, called ends; a bounding line of a geometrical figure; as, the side of a field, of a square or triangle, of a river, of a road, etc.

Side

Any outer portion of a thing considered apart from, and yet in relation to, the rest; as, the upper side of a sphere; also, any part or position viewed as opposite to or contrasted with another; as, this or that side.
Looking round on every side beheldA pathless desert.

Side

One of the halves of the body, of an animals or man, on either side of the mesial plane; or that which pertains to such a half; as, a side of beef; a side of sole leather.
One of the soldiers with a spear pierced his side.

Side

A slope or declivity, as of a hill, considered as opposed to another slope over the ridge.
Along the side of yon small hill.

Side

The position of a person or party regarded as opposed to another person or party, whether as a rival or a foe; a body of advocates or partisans; a party; hence, the interest or cause which one maintains against another; a doctrine or view opposed to another.
God on our side, doubt not of victory.
We have not always been of the . . . same side in politics.
Sets the passions on the side of truth.

Side

A line of descent traced through one parent as distinguished from that traced through another.
To sit upon thy father David's throne,By mother's side thy father.

Side

Fig.: Aspect or part regarded as contrasted with some other; as, the bright side of poverty.

Side

Of or pertaining to a side, or the sides; being on the side, or toward the side; lateral.
One mighty squadron with a side wind sped.

Side

Hence, indirect; oblique; collateral; incidental; as, a side issue; a side view or remark.
The law hath no side respect to their persons.

Side

Long; large; extensive.
His gown had side sleeves down to mid leg.
To insure a side-box station at half price.

Side

To lean on one side.

Side

To embrace the opinions of one party, or engage in its interest, in opposition to another party; to take sides; as, to side with the ministerial party.
All side in parties, and begin the attack.

Side

To be or stand at the side of; to be on the side toward.
His blind eye that sided Paridell.

Side

To suit; to pair; to match.

Side

To work (a timber or rib) to a certain thickness by trimming the sides.

Side

To furnish with a siding; as, to side a house.

Side

A place within a region identified relative to a center or reference location;
They always sat on the right side of the church
He never left my side

Side

One of two or more contesting groups;
The Confederate side was prepared to attack

Side

Either the left or right half of a body;
He had a pain in his side

Side

An extended outer surface of an object;
He turned the box over to examine the bottom side
They painted all four sides of the house

Side

A surface forming part of the outside of an object;
He examined all sides of the crystal
Dew dripped from the face of the leaf

Side

A line segment forming part of the perimeter of a plane figure;
The hypotenuse of a right triangle is always the longest side

Side

An aspect of something (as contrasted with some other implied aspect);
He was on the heavy side
He is on the purchasing side of the business
It brought out his better side

Side

A family line of descent;
He gets his brains from his father's side

Side

A lengthwise dressed half of an animal's carcass used for food

Side

An opinion that is held in opposition to another in an argument or dispute;
There are two sides to every question

Side

An elevated geological formation;
He climbed the steep slope
The house was built on the side of the mountain

Side

(sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist

Side

Take sides with; align oneself with; show strong sympathy for;
We all rooted for the home team
I'm pulling for the underdog
Are you siding with the defender of the title?

Side

Take the side of; be on the side of;
Whose side are you on?
Why are you taking sides with the accused?

Side

Located on a side;
Side fences
The side porch
The top shelf

Side

Added as a consequence or supplement;
A side benefit

Side

A surface forming the outer part of something.
The side of the house needs painting.

Side

A flat area on an object.
He wrote his name on the side of the box.

Side

An aspect or facet of something.
We should consider the positive side of this issue.

Side

An edge or boundary of a flat shape.
Each side of the square is equal in length.

Common Curiosities

What is a side in geometry?

In geometry, a side refers to the straight edge of a polygon.

Are side and edge the same in geometry?

In geometry, a side is an edge, especially in polygons.

How is slope defined in mathematics?

Slope is the measure of steepness or the ratio of vertical change to horizontal change in a line.

Can an object have multiple sides?

Yes, most objects, like cubes or prisms, have multiple sides.

Is slope relevant only in outdoor settings?

No, slope is also important in construction, physics, and many other fields.

Does a side always have to be flat?

Generally, yes, a side is considered a flat surface.

How is slope related to road safety?

Steeper slopes can increase the risk of accidents due to decreased control.

How do you calculate the slope of a line?

Slope is calculated by dividing the vertical change by the horizontal change.

How does slope affect construction?

Slope affects drainage, stability, and design in construction projects.

What units are used to measure slope?

Slope is typically measured in degrees or as a percentage.

Can a side be inclined?

Typically, a side is flat, but it can be positioned at an angle.

What does the side of a polygon represent?

It represents the boundary lines that define the shape.

Why is slope important in skiing?

Slope determines the difficulty and speed of the descent.

Can the side of a box be sloped?

No, the side of a box is usually flat and vertical.

What is the significance of a side in everyday objects?

It helps in identifying and describing parts of objects for practical purposes.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.

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