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verb (used with object), rat·i·fied, rat·i·fy·ing.
  1. to confirm by expressing consent, approval, or formal sanction: to ratify a constitutional amendment.
  2. to confirm (something done or arranged by an agent or by representatives) by such action.
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Origin of ratify

1325–75; Middle English ratifien < Middle French ratifier < Medieval Latin ratificāre, equivalent to Latin rat(us) calculated (see rate1) + -ificāre -ify
Related formsrat·i·fi·er, nounnon·rat·i·fy·ing, adjectiveun·rat·i·fied, adjective

Synonyms for ratify

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Antonyms for ratify

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for ratify

okay, uphold, confirm, approve, sign, endorse, establish, bind, license, corroborate, consent, certify, bless, commission, authenticate, substantiate, sanction, validate, accredit

Examples from the Web for ratify

Contemporary Examples of ratify

Historical Examples of ratify

  • Take them to the Kadi after prayers in the morning, and he will ratify your title.

    The Scapegoat

    Hall Caine

  • But Mary would not ratify it—at least so far as this last article was concerned.

    Queen Elizabeth

    Jacob Abbott

  • And Magennis grasped him in his own strong fingers to ratify the contract.

  • What you will sign is a promise to ratify the treaty on your accession to the throne.

    The Traitors

    E. Phillips (Edward Phillips) Oppenheim

  • Are you ready to ratify the words when His emptying begins to come?

    Parables of the Cross

    I. Lilias Trotter

British Dictionary definitions for ratify


verb -fies, -fying or -fied
  1. (tr) to give formal approval or consent to
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Derived Formsratifiable, adjectiveratification, nounratifier, noun

Word Origin for ratify

C14: via Old French from Latin ratus fixed (see rate 1) + facere to make
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 ratify


mid-14c., from Old French ratifier (13c.), from Medieval Latin ratificare "confirm, approve," literally "fix by reckoning," from Latin ratus "fixed by calculation; determined; approved; certain, sure; valid" (past participle adjective from reri "to reckon, think;" see reason (v.)) + root of facere "to make" (see factitious). Related: Ratified; ratifying.

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Online Etymology Dictionary, © 2010 Douglas Harper