Definition of assert in English:

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Pronunciation: /əˈsəːt/


[reporting verb]
1State a fact or belief confidently and forcefully: [with clause]: the company asserts that the cuts will not affect development [with object]: he asserted his innocence
More example sentences
  • These types of beliefs, he asserts, are closely connected to languages and texts.
  • Neither does he explicitly assert that our natural beliefs are true.
  • I would however assert that the belief in absolute truth requires an attempt to follow it as best as possible.
declare, maintain, contend, argue, state, claim, propound, submit, posit, postulate, adduce, move, advocate, venture, volunteer, aver, proclaim, announce, pronounce, attest, affirm, protest, profess, swear, insist, avow
formal opine
rare asseverate
1.1 [with object] Cause others to recognize (one’s authority or a right) by confident and forceful behaviour: the good librarian is able to assert authority when required
More example sentences
  • The rights were asserted as fundamental entitlements recognized by the international community.
  • What would have happened if the Thai authorities had asserted their jurisdiction over the offence here?
  • They are conducted in order to assert authority and extend influence.
1.2 (assert oneself) Behave or speak in a confident and forceful manner: it was time to assert himself
More example sentences
  • Please stay the nice person that you are, but learn also to assert yourself and to speak up for yourself.
  • Likewise, democracy empowers disaffected minorities to speak out and assert themselves along ethnic, religious, or tribal lines.
  • These classes have been a source of great entertainment for the youth of the area and have resulted in many a shy child getting the confidence to assert themselves.
behave confidently, speak confidently, be assertive, put oneself forward, make one's presence felt, exert one's influence, make people sit up and take notice, make people sit up and listen



Pronunciation: /əˈsəːtəb(ə)l/
Example sentences
  • What the group accepts is correctly assertable or true for the group members.
  • Any language that actually is spoken is assertable.
  • Jackson came to realise, however, that there are assertable conditionals which one would not continue to believe if one learned the antecedent.


Pronunciation: /əˈsəːtə/
(also assertor) noun
Example sentences
  • The general principle in civil litigation is that the burden of proof lies on the asserter of a claim.
  • The true principles of national glory are opened by the grandeur of the minds of these assertors of political freedom.
  • But these assertors assert the opposite of this.


Early 17th century: from Latin asserere 'claim, affirm', from ad- 'to' + serere 'to join'.

Words that rhyme with assert

advert, alert, animadvert, avert, Bert, blurt, Burt, cert, chert, concert, controvert, convert, curt, desert, dessert, dirt, divert, exert, flirt, girt, hurt, inert, insert, introvert, Kurt, malapert, overt, pert, quirt, shirt, skirt, spirt, spurt, squirt, Sturt, subvert, vert, wort, yurt

For editors and proofreaders

Line breaks: as¦sert

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