fatty

1 of 2

adjective

fat·​ty ˈfa-tē 

fattier; fattiest

1

: containing fat especially in unusual amounts

fatty foods

also : unduly stout : corpulent

2

: greasy

3

: derived from or chemically related to fat

fattiness noun

fatty

2 of 2

noun

plural fatties

informal

: one that is fat

especially, disparaging + offensive : an overweight person

Synonyms

Adjective

• adipose

Examples of fatty in a Sentence

Adjective

I try to avoid fatty foods.

fatty ground beef that was the cheapest available

Recent Examples on the Web

Adjective

Studies show that people who regularly eat fatty fish like sardines tend to have lower rates of cognitive decline and heart disease.1314 6. —Jillian Kubala, Health, 25 Nov. 2024

Pumpkin soup is protein-heavy with the backing of red lentils and coconut milk, accented with pepitas and a fatty swirl of Aleppo oil. —Kendyl Kearly, Baltimore Sun, 25 Nov. 2024

Noun

In recent years, coconut oil had been given a pass because of its unique fatty profile. —Ashley Weatherford, The Cut, 19 June 2017

Word History

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Noun

1797, in the meaning defined above

Kids Definition

fatty

adjective

fat·​ty

ˈfat-ē

fattier; fattiest

1

: containing fat especially in unusual amounts

2

: greasy sense 2

fattiness noun

Medical Definition

fatty

adjective

fat·​ty ˈfat-ē 

fattier; fattiest

1

a

: unduly stout : corpulent

b

: marked by an abnormal deposit of fat

a fatty liver

fatty cirrhosis

2

: derived from or chemically related to fat

fattiness noun