[ op-uh-zish-uh n ]
/ ˌɒp əˈzɪʃ ən /


Nearby words

  1. opposite field,
  2. opposite number,
  3. opposite number, one's,
  4. opposite prompt,
  5. opposite sex,
  6. oppositional disorder,
  7. oppositionist,
  8. oppress,
  9. oppressed,
  10. oppression

Origin of opposition

1350–1400; < Latin oppositiōn- (stem of oppositiō), equivalent to opposit(us) (see opposite) + -iōn- -ion; replacing Middle English opposicioun < Old French opposicion < Latin as above

Related forms
Can be confusedapposition opposition

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for opposition

British Dictionary definitions for opposition


/ (ˌɒpəˈzɪʃən) /


Derived Formsoppositional, adjectiveoppositionist, nounoppositionless, adjective

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 opposition



late 14c., an astrological term for the situation of two heavenly bodies exactly across from one another in the heavens, from Old French oposicion (12c.) or directly from Latin oppositionem (nominative oppositio) "act of opposing, a placing against," noun of action from past participle stem of opponere "set against" (see opponent). Meaning "that which is opposite something else" is from 1540s; meaning "contrast, antagonism" first attested 1580s; sense of "political party opposed to the one in power" is from 1704. Related: Oppositional.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for opposition


[ ŏp′ə-zĭshən ]

A characteristic movement of the primate thumb, in which the pad of the thumb can be placed in contact with the pads of the fingers of the same hand.
The position of two celestial bodies when their celestial longitude differs by 180°, especially a configuration in which Earth lies on a straight line between the Sun and a superior planet or the Moon. Planets in this position rise as the Sun sets and are visible all night long, reaching their highest point in the sky at midnight; the Moon in this position is full. Compare conjunction. See more at elongation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.