Dictionary.com

fatty

1
[ fat-ee ]
/ ˈfæt i /
Save This Word!

adjective, fat·ti·er, fat·ti·est.
consisting of, containing, or resembling fat: fatty tissue.
Pathology. characterized by overproduction or excessive accumulation of fat.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of fatty

1
Middle English word dating back to 1350–1400; see origin at fat, -y1

OTHER WORDS FROM fatty

fat·ti·ly, adverbfat·ti·ness, noun

Other definitions for fatty (2 of 2)

fatty2
[ fat-ee ]
/ ˈfæt i /

noun, plural fat·ties.Informal.
Disparaging and Offensive. a person who is overweight or obese (sometimes used as a term of address).
a large marijuana cigarette, often shared and consumed by a group, with a shape and size similar to a cigar.

Origin of fatty

2
First recorded in 1790–1800 (def. 1); 2003 (def. 2); see origin at fat, -y2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use fatty in a sentence

British Dictionary definitions for fatty

fatty
/ (ˈfætɪ) /

adjective -tier or -tiest
containing, consisting of, or derived from fat
having the properties of fat; greasy; oily
(esp of tissues, organs, etc) characterized by the excessive accumulation of fat
noun plural -ties
informal a fat person

Derived forms of fatty

fattily, adverbfattiness, noun
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

Medical definitions for fatty

fatty
[ fătē ]

n.
Containing or composed of fat.
Characteristic of fat; greasy.
Derived from or chemically related to fat.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK