Definition of assertion in English:

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Pronunciation: /əˈsəːʃ(ə)n/


1A confident and forceful statement of fact or belief: [with clause]: his assertion that his father had deserted the family
More example sentences
  • He is criticizing the assertion that to weigh more than that is to be obese.
  • If not, doesn't this simply verify the assertion that such orders are a joke in this Internet age?
  • In practice, there are many venture capitalists who will protest the assertion that all they want is to make a quick buck.
declaration, contention, statement, claim, submission, postulation, averment, opinion, proclamation, announcement, pronouncement, assurance, attestation, affirmation, protestation, profession, swearing, insistence, avowal
rare maintenance, asseveration
1.1 [mass noun] The action of asserting something: the assertion of his legal rights
More example sentences
  • That was a novel and quite astounding assertion at that stage of human legal development.
  • At the function that I attended, too, a number of articles spoke of this assertion on their past.
  • The events since the last two elections support this assertion, a point to which I will return.
defence, upholding;
insistence on


Late Middle English: from Latin assertio(n-), from the verb asserere (see assert).

Words that rhyme with assertion

animadversion, aspersion, aversion, bioconversion, Cistercian, coercion, conversion, desertion, disconcertion, dispersion, diversion, emersion, excursion, exertion, extroversion, immersion, incursion, insertion, interspersion, introversion, Persian, perversion, submersion, subversion, tertian, version

For editors and proofreaders

Line breaks: as¦ser|tion

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