[dis-pruh-pawr-shuh-nit, -pohr-]


not proportionate; out of proportion, as in size or number.

Origin of disproportionate

First recorded in 1544–55; dis-1 + proportionate
Related formsdis·pro·por·tion·ate·ly, adverbdis·pro·por·tion·ate·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for disproportionately


adjective (ˌdɪsprəˈpɔːʃənɪt)

out of proportion; unequal

verb (ˌdɪsprəˈpɔːʃəˌneɪt)

chem to undergo or cause to undergo disproportionation
Derived Formsdisproportionately, adverbdisproportionateness, 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

Word Origin and History for disproportionately



1550s, from dis- "not" + proportionate. Improportionate in same sense is from late 14c. Related: Disproportionately.

Online Etymology Dictionary, © 2010 Douglas Harper