assert [uh-surt] SynonymsExamplesWord Origin See more synonyms for assert on verb (used with object)

  1. to state with assurance, confidence, or force; state strongly or positively; affirm; aver: He asserted his innocence of the crime.
  2. to maintain or defend (claims, rights, etc.).
  3. to state as having existence; affirm; postulate: to assert a first cause as necessary.


  1. assert oneself, to insist on one’s rights, declare one’s views forcefully, etc.: The candidate finally asserted himself about property taxes.

Origin of assert 1595–1605; Latin assertus joined to, defended, claimed (past participle of asserere), equivalent to as- as- + ser- (see series) + -tus past participle suffixRelated formsas·sert·er, as·ser·tor, nounas·sert·i·ble, adjectivemis·as·sert, verb (used with object)o·ver·as·sert, verb (used with object)pre·as·sert, verb (used with object)re·as·sert, verb (used with object)Synonyms for assert See more synonyms for on 1. asseverate, avow, maintain. 2. uphold, support. Synonym study 1. See declare. 2. See maintain.Antonyms for assert 1. deny. Related Words for assert contend, claim, stress, profess, uphold, affirm, defend, proclaim, say, press, argue, allege, cite, attest, predicate, avow, vindicate, advance, avouch, pronounce Examples from the Web for assert Contemporary Examples of assert

  • As leaders across the world continue to assert, the war is far from won.

    Millions Promised for Ebola Not Adding Up

    Abby Haglage

    November 25, 2014

  • I was forced to bring two male “identity verifiers” to assert who I was, despite the fact that I carried my ID card with me.

    Saudi Activist Manal Al-Sharif on Why She Removed the Veil

    Manal Al Sharif, Advancing Human Rights

    October 30, 2014

  • I yo AIRGORDON and the rest of my Yo friends when I wake up for no discernible reason, other than to assert my existence.

    The Zen of Yo

    Dale Eisinger

    August 2, 2014

  • In fact, some assert that killing whales is necessary to prevent world starvation.

    Welcome to Japan’s Whale Week, Featuring Curried Whale Meat And Exploding Harpoons

    Angela Erika Kubo, Jake Adelstein

    June 12, 2014

  • In a previous attempt to assert direct control over the Internet, the FCC lost in court.

    The FCC Must Ignore the Silly ‘Net Neutrality’ Advocates

    Nick Gillespie

    May 19, 2014

  • Historical Examples of assert

  • They have begun so cruelly with me, that I have not spirit enough to assert my own negative.

    Clarissa, Volume 1 (of 9)

    Samuel Richardson

  • More, he dared believe, and to assert boldly, that she loved him.

    Within the Law

    Marvin Dana

  • It was an insult to the divine powers to assert that they had taken the part of a race horse.


    W. A. Fraser

  • All admit or assert that the lance is in this warfare the better weapon.

    The Story of the Malakand Field Force

    Sir Winston S. Churchill

  • But be your resolution what it will, do not by any means repeat to them, that you will not assert your right.

    Clarissa, Volume 2 (of 9)

    Samuel Richardson

  • British Dictionary definitions for assert assert verb (tr)

    1. to insist upon (rights, claims, etc)
    2. (may take a clause as object) to state to be true; declare categorically
    3. to put (oneself) forward in an insistent manner

    Derived Formsasserter or assertor, nounassertible, adjectiveWord Origin for assert C17: from Latin asserere to join to oneself, from serere to join Word Origin and History for assert v.

    c.1600, “declare,” from Latin assertus, past participle of asserere “claim, maintain, affirm” (see assertion). Related: Asserted; asserting. To assert oneself “stand up for one’s rights” is recorded from 1879.

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