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[oh-bees] /oʊˈbis/
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 forms
obesely, adverb
obesity, obeseness, noun
overobese, adjective
overobesely, adverb
overobeseness, noun
superobese, adjective
unobese, adjective
unobesely, adverb
unobeseness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for obese


excessively fat or fleshy; corpulent
Derived Forms
obesity, obeseness, noun
Word Origin
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
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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
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obese in Medicine

obese o·bese (ō-bēs')
Extremely fat; very overweight.

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