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[uh-furm] /əˈfɜrm/
verb (used with object)
to state or assert positively; maintain as true:
to affirm one's loyalty to one's country; He affirmed that all was well.
to confirm or ratify:
The appellate court affirmed the judgment of the lower court.
to assert solemnly:
He affirmed his innocence.
to express agreement with or commitment to; uphold; support:
to affirm human rights.
verb (used without object)
  1. to state something solemnly before a court or magistrate, but without oath.
  2. to ratify and accept a voidable transaction.
  3. (of an appellate court) to determine that the action of the lower court shall stand.
Origin of affirm
1300-50; < Latin affirmāre, equivalent to af- af- + firmāre to make firm (see firm1); replacing Middle English a(f)fermen < Middle French afermer < Latin
Related forms
affirmable, adjective
affirmably, adverb
affirmer, noun
affirmingly, adverb
overaffirm, verb
preaffirm, verb
reaffirm, verb (used with object)
unaffirmed, adjective
1. aver, asseverate, depose, testify. See declare. 2. approve, endorse.
1. deny. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for reaffirm
  • These events, more and more, are being seen as instances to reaffirm and reestablish family ties.
  • While this study does reaffirm the asteroid impact idea, it's obvious this debate isn't going away any time soon.
  • The probe's high-definition data also reaffirm some long-standing riddles.
  • Now, when that ideology is showing its dangerous and shameful side, the party has suddenly chosen to reaffirm it.
  • It's as if her media image helps her reaffirm her sense of self.
  • Religion consists, for example, of costly rituals that reaffirm your commitment to a social group.
  • The one thing he shouldn't have done is reaffirm doubt where it is undeserved.
  • They don't conduct an additional poll within the legislative branch every year to reaffirm already-affirmed spending.
  • For those who clung to their sign, it was a chance to reaffirm who they believe they are.
  • reaffirm a commitment that you're devoted to, and support a partner.
British Dictionary definitions for reaffirm


verb (transitive)
to affirm (a claim, etc) again; reassert
Derived Forms
reaffirmation, noun


verb (mainly transitive)
(may take a clause as object) to declare to be true; assert positively
to uphold, confirm, or ratify
(intransitive) (law) to make an affirmation
Derived Forms
affirmer, affirmant, noun
Word Origin
C14: via Old French from Latin affirmāre to present (something) as firm or fixed, assert, from ad- to + firmāre to make firm1
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 reaffirm



c.1300, from Old French afermier (Modern French affirmer) "affirm, confirm; strengthen, consolidate," from Latin affirmare "to make steady, strengthen," figuratively "confirm, corroborate," from ad- "to" (see ad-) + firmare "strengthen, make firm," from firmus "strong" (see firm (adj.)). Spelling refashioned 16c. in French and English on Latin model. Related: Affirmed; affirming.

Online Etymology Dictionary, © 2010 Douglas Harper
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