very fat or overweight; corpulent.

Origin of obese

1645–55; < Latin obēsus (past participle of obedere to eat away), equivalent to ob- ob- + ed(ere) to eat + -tus past participle suffix, with dt > s
Related formso·bese·ly, adverbo·be·si·ty, o·bese·ness, nouno·ver·o·bese, adjectiveo·ver·o·bese·ly, adverbo·ver·o·bese·ness, nounsu·per·o·bese, adjectiveun·o·bese, adjectiveun·o·bese·ly, adverbun·o·bese·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for obese



excessively fat or fleshy; corpulent
Derived Formsobesity or obeseness, noun

Word Origin for obese

C17: from Latin obēsus, from ob- (intensive) + edere to eat
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

Word Origin and History for obese

1650s, back-formation from obesity and in part from Latin obesus "fat, stout, plump," past participle of obedere "that has eaten itself fat" (see obesity). According to OED, "Rare before 19th c." Related: Obeseness. Latin obesus was translated in Old English as oferfæt "overfat."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for obese




Extremely fat; very overweight.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.