Fat Definition

făt
fats, fatted, fatter, fattest, fatting
noun
fats
The ester of glycerol and one, two, or three fatty acids.
American Heritage Medicine
Any of various soft, solid, or semisolid organic compounds constituting the esters of glycerol and fatty acids and their associated organic groups.
American Heritage Medicine
Any of various mixtures of solid or semisolid triglycerides found in adipose animal tissue or in the seeds of plants: they are insoluble in water but soluble in organic solvents.
Webster's New World
Any such substance used in cooking.
Webster's New World
The richest or finest part of anything.
Webster's New World
Antonyms:
adjective
fatter, fattest
Having much fat in relation to lean.
Webster's New World
Containing or full of fat; oily, greasy, etc.
Webster's New World
Abounding in desirable elements.
A paycheck fat with bonus money.
American Heritage
Containing much resin.
Fat wood.
Webster's New World
Fleshy; plump.
Webster's New World
verb
fats, fatted, fatting
To make or become fat; fatten.
American Heritage
To make or become fat; fatten.
American Heritage
To make or become fat.
Webster's New World
Synonyms:
idiom
a fat lot
  • Very little or none at all:

    a fat lot of good it will do him.

American Heritage
fat chance
  • Very little or no chance.
American Heritage
the fat is in the fire
  • Bad consequences are sure to follow; trouble lies ahead.
American Heritage
the fat of the land
  • Desirable resources, especially when acquired with little effort:

    I fantasized about buying a farm and living off the fat of the land.

American Heritage
a fat lot
  • Very little or none at all:

    a fat lot of good it will do him.

American Heritage

Other Word Forms of Fat

Noun

Singular:
fat
Plural:
fats

Adjective

Base Form:
fat
Comparative:
fatter
Superlative:
fattest

Idioms, Phrasal Verbs Related to Fat

Origin of Fat

  • From Middle English, from Old English fǣtt (“fatted, fat”), from Proto-Germanic *faitidaz (“fatted”), originally the past participle of the verb *faitijaną (“to make fat”), from *faitaz (“fat”), from Proto-Indo-European *poid- (“to abound in water, milk, or fat”), from Proto-Indo-European *poi- (“sap, juice”). Cognate with German feist (“fatted, plump, obese”). Related also to Dutch vet (“fat”), German fett (“fat, corpulent”), Swedish fet (“fat, oily, fatty”), Icelandic feitur (“fat”).

    From Wiktionary

  • From Middle English, from Old English fæt (“vat, vessel, jar, cup, casket, division”), from Proto-Germanic *fatą (“vessel”), from Proto-Indo-European *pod- (“vessel”). Cognate with Dutch vat (“barrel, vessel”), German Fass (“barrel, drum”), Swedish fat (“barrel, dish, cask”). See vat.

    From Wiktionary

  • Middle English from Old English fǣtt fatted peiə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English from Old English fǣtt fatted peiə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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