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[adjective pruh-pawr-shuh-nit, -pohr-; verb pruh-pawr-shuh-neyt, -pohr-] /adjective prəˈpɔr ʃə nɪt, -ˈpoʊr-; verb prəˈpɔr ʃəˌneɪt, -ˈpoʊr-/
verb (used with object), proportionated, proportionating.
to make proportionate.
Origin of proportionate
1350-1400; Middle English proporcionate < Late Latin prōportiōnātus. See proportion, -ate1
Related forms
proportionately, adverb
proportionateness, noun
nonproportionate, adjective
nonproportionately, adverb
nonproportionateness, noun
unproportionate, adjective
unproportionately, adverb
Can be confused
proportional, proportionate.
1. according, accordant, consonant, harmonious, balanced. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for proportionate
Contemporary Examples
Historical Examples
  • The justice of the cause to be fought for helps; it must be proportionate to the magnitude of the sacrifice demanded.

    Out To Win Coningsby Dawson
  • That was the ultimate in relativity: Energy is proportionate to matter.

    Eight Keys to Eden Mark Irvin Clifton
  • Those persons in whom the quantity of the latter bear a greater proportion to the former, will swim with a proportionate facility.

  • The esteem in which a man is held is proportionate to the contents of his strong box.

    The Simple Life Charles Wagner
  • No doubt it is so, if thrown with a proportionate force; but that cannot be obtained with a small gun.

    Gunnery in 1858 William Greener
  • The outline is defective; the middle bouts are too long to be proportionate.

    The Violin George Hart
  • But he may perhaps aspire to know at least the parts with which he has proportionate relation.

British Dictionary definitions for proportionate


adjective (prəˈpɔːʃənɪt)
being in proper proportion
verb (prəˈpɔːʃəˌneɪt)
(transitive) to make proportionate
Derived Forms
proportionately, adverb
proportionateness, 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
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Word Origin and History for proportionate

late 14c., "of proper proportion," from Medieval Latin proportionatus "proportioned," past participle of proportionare (see proportion (n.)). Related: Proportionately.

Online Etymology Dictionary, © 2010 Douglas Harper
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