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Synonyms

fatty

1 American  
[fat-ee] / ˈfæt i /

noun

Informal.

plural

fatties
  1. Disparaging and Offensive. a person who is overweight or obese (sometimes used as a term of address).

  2. a large marijuana cigarette, often shared and consumed by a group, with a shape and size similar to a cigar.


fatty 2 American  
[fat-ee] / ˈfæt i /

adjective

fattier, fattiest
  1. consisting of, containing, or resembling fat.

    fatty tissue.

  2. Pathology. characterized by overproduction or excessive accumulation of fat.


fatty British  
/ ˈfætɪ /

adjective

  1. containing, consisting of, or derived from fat

  2. having the properties of fat; greasy; oily

  3. (esp of tissues, organs, etc) characterized by the excessive accumulation of fat

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. informal a fat person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • fattily adverb
  • fattiness noun

Etymology

Origin of fatty1

First recorded in 1790–1800 fatty 2 ( def. 1 ); 2003 fatty 2 ( def. 2 ); fat, -y 2

Origin of fatty1

Middle English word dating back to 1350–1400; fat, -y 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It limits foods like dairy products, meat, and items high in saturated fatty acids.

From Science Daily

Children whose mothers eat a diet high in fat and sugar during pregnancy and breastfeeding face a greater chance of developing fatty liver disease later in life.

From Science Daily

Sagimet’s drugs block an enzyme that helps the body produce fatty acids.

From Barron's

Headquartered in the central Chinese city of Wuhan, Cabio Biotech is one of the world's largest producers of ARA, a fatty acid used primarily in baby formula and food products.

From Barron's

Or the way I decide it’s only polite to smile back, until the nun glares and clears the fatty phlegm from her throat.

From Literature