Fat vs. Chubby — What's the Difference?

The best or most rewarding part of something.

Full, plump, or rounded in shape.

Thickness in dimension or size.

Slightly overweight in a way that looks pleasant or cute.

In nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such compounds, most commonly those that occur in living beings or in food.The term often refers specifically to triglycerides (triple esters of glycerol), that are the main components of vegetable oils and of fatty tissue in animals; or, even more narrowly, to triglycerides that are solid or semisolid at room temperature, thus excluding oils. The term may also be used more broadly as a synonym of lipid—any substance of biological relevance, composed of carbon, hydrogen, or oxygen, that is insoluble in water but soluble in non-polar solvents.

Having a noticeable amount of extra flesh, but not excessively so.

A natural oily substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs

Bulging or filled out, often in a desirable manner.

Any of a group of natural esters of glycerol and various fatty acids, which are solid at room temperature and are the main constituents of animal and vegetable fat

Rounded and plump.

(of a person or animal) having a large amount of excess flesh

(Informal) A chubby person.

Large in bulk or circumference

Vulgar Slang An erection of the penis.

Make or become fat

Of a person: slightly overweight, somewhat fat, and hence plump, rounded, and soft.

The ester of glycerol and one, two, or three fatty acids.

Of a body part: containing a moderate amount of fat.

Any of various soft, solid, or semisolid organic compounds constituting the esters of glycerol and fatty acids and their associated organic groups.

A chubby, plump person

A mixture of such compounds occurring widely in organic tissue, especially in the adipose tissue of animals and in the seeds, nuts, and fruits of plants.

An overweight or obese gay man.

Animal tissue containing such substances.

(slang) A penile erection, especially when short and with a large circumference; a boner.

A solidified animal or vegetable oil.

Like a chub; plump, short, and thick.

Obesity; corpulence

Euphemisms for slightly fat;

Unnecessary excess

Rounded and somewhat corpulent.

Having much or too much fat or flesh; plump or obese.

Full of fat or oil; greasy.

Abounding in desirable elements

Fertile or productive; rich

Having an abundance or amplitude; well-stocked

Yielding profit or plenty; lucrative or rewarding

Prosperous; wealthy

Thick; large

Puffed up; swollen

To make or become fat; fatten.

Carrying more fat than usual on one's body; plump; not lean or thin.

Thick; large.

Bulbous; rotund.

Bountiful.

Oily; greasy; unctuous; rich said of food.

(obsolete) Exhibiting the qualities of a fat animal; coarse; heavy; gross; dull; stupid.

Fertile; productive.

Rich; producing a large income; desirable.

Abounding in riches; affluent; fortunate.

Of a character which enables the compositor to make large wages; said of matter containing blank, cuts, or many leads, etc.

(golf) Being a shot in which the ground is struck before the ball.

(theatre) Of a role: significant; major; meaty.

Alternative form of phat

(uncountable) A specialized animal tissue with high lipid content, used for long-term storage of energy: fat tissue.

Such tissue as food: the fatty portion of (or trimmings from) meat cuts.

(countable) A lipid that is solid at room temperature, which fat tissue contains and which is also found in the blood circulation; sometimes, a refined substance chemically resembling such naturally occurring lipids.

That part of an organization deemed wasteful.

(slang) An erection.

(golf) A poorly played shot where the ball is struck by the top part of the club head. (see also thin, shank, toe)

The best or richest productions; the best part.

Work containing much blank, or its equivalent, and therefore profitable to the compositor.

A fat person.

A beef cattle fattened for sale.

(obsolete) A large tub or vessel for water, wine, or other liquids; a cistern.

(obsolete) A dry measure, generally equal to nine bushels.

To make fat; to fatten.

To become fat; to fatten.

To hit a golf ball with a fat shot.

A large tub, cistern, or vessel; a vat.

A measure of quantity, differing for different commodities.

An oily liquid or greasy substance making up the main bulk of the adipose tissue of animals, and widely distributed in the seeds of plants. See Adipose tissue, under Adipose.

The best or richest productions; the best part; as, to live on the fat of the land.

Work. containing much blank, or its equivalent, and, therefore, profitable to the compositor.

Abounding with fat

Exhibiting the qualities of a fat animal; coarse; heavy; gross; dull; stupid.

Fertile; productive; as, a fat soil; a fat pasture.

Rich; producing a large income; desirable; as, a fat benefice; a fat office; a fat job.

Abounding in riches; affluent; fortunate.

Of a character which enables the compositor to make large wages; - said of matter containing blank, cuts, or many leads, etc.; as, a fat take; a fat page.

To make fat; to fatten; to make plump and fleshy with abundant food; as, to fat fowls or sheep.

To grow fat, plump, and fleshy.

A soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides);

A kind of body tissue containing stored fat that serves as a source of energy; adipose tissue also cushions and insulates vital organs;

Excess bodily weight;

Make fat or plump;

Having much flesh (especially fat);

Having a relatively large diameter;

Containing or composed of fat;

Lucrative;

Marked by great fruitfulness;

A chubby body;

A substance in animals and plants that stores energy and is used by the body.

Having a large amount of excess flesh.

Rich in a particular quality or ingredient.

It's less common, but possible if the object appears rounded or plump.

While both can describe extra flesh, "chubby" is milder and often more endearing than "fat."

It refers to the amount of fat, a macronutrient, present in the food.

No, "fat" can also refer to thickness or richness in various contexts.

Yes, especially in nutritional contexts, like "healthy fats."

Yes, both terms can apply to animals, indicating they have extra flesh.

Typically, "chubby" is softer and can be affectionate, especially when describing children.

They're similar, both suggesting a roundness, but "chubby" often implies more flesh.

Fat cells store energy and can expand or contract based on fat storage.

It's a way to describe round and plump cheeks, often seen as cute.

It's sensitive and can be seen as derogatory, so it's best to be cautious and respectful.

Contextually, "chubby" is often seen as cuter in children and may carry different connotations with adults.

Rarely. Medical professionals tend to use more specific terms.

It refers to the extra, soft flesh many babies have, which they often outgrow.

Yes, implying they're thick or wide, like a "fat book."