Definition of assert in US English:

assert

verb

  • 1reporting verb State 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’
    with direct speech ‘“I don't know why she came,” he asserted’
    • ‘The other response is to assert that the supremacy is in fact the solution to the despair.’
    • ‘All other vine varieties, Pliny asserts confidently, are imports from Greece.’
    • ‘Had there been concerns about any aspect of the process it can confidently be asserted that they would have found expression.’
    • ‘Science is beginning to understand what is going on in our genes, he asserts, and few things about the human condition will ever be the same again.’
    • ‘I would however assert that the belief in absolute truth requires an attempt to follow it as best as possible.’
    • ‘This essay asserts that there are, in fact, two phenomena that need to be examined.’
    • ‘These types of beliefs, he asserts, are closely connected to languages and texts.’
    • ‘That is, is there any constitutional fact which is asserted about time limits, time element or the like?’
    • ‘The claim asserts that this is too fast and does not enable an applicant to have a fair chance of putting forward his claim properly.’
    • ‘Neither does he explicitly assert that our natural beliefs are true.’
    • ‘Instead, he asserts that we are in fact so entrenched in ideology that it is difficult to even distinguish its parameters.’
    • ‘He confidently asserts that the tapes are not faked, and that the vocal range is too broad to be made by a human.’
    • ‘Failure to do so, he asserts, would be a Doomsday scenario.’
    • ‘The appellant asserts that the building was uninhabitable when he moved in, and that to return it to that state would be a retrograde step.’
    • ‘In order to establish that contention the applicants assert they have no need to rely upon any statutory underpinning.’
    • ‘There are few principles so precious as that which asserts that everyone is innocent until proven guilty.’
    • ‘The claimants assert that their claims should also have been settled.’
    • ‘What can be asserted reasonably from the facts as we know them, is that they were a devoted couple.’
    • ‘The coal industry should be privately funding these studies, the consumer group asserts.’
    • ‘Are the parents asserting a religious belief or conviction?’
    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
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    1. 1.1with object Cause others to recognize (one's authority or a right) by confident and forceful behavior.
      ‘the good librarian is able to assert authority when required’
      • ‘Throughout history, wars have been followed by ritualised attempts to assert legal authority.’
      • ‘I hope they realize that simply asserting authority doesn't necessarily make us any safer.’
      • ‘They come to court to assert their rights, not to exercise some form of consumer choice.’
      • ‘For his era, he's no different from anyone else: what a father did to assert his authority was take his belt off.’
      • ‘It is a little bit frightening how broadly he asserts his authority as commander in chief.’
      • ‘Even if copyright expires, the court ruled, common law can be applied to assert the rights of the original owner.’
      • ‘He takes them on a fishing trip to a remote island, cruelly asserting his authority en route.’
      • ‘They will allow people to assert their rights to fair use over copyright materials.’
      • ‘How strong are you in the face of someone trying to assert authority over you through their verbal abuse?’
      • ‘What would have happened if the Thai authorities had asserted their jurisdiction over the offence here?’
      • ‘The prison officers, though clearly asserting their authority, treated the prisoners with respect.’
      • ‘But surely if any religious creed is to have validity it has to assert its authority over science?’
      • ‘The rights were asserted as fundamental entitlements recognized by the international community.’
      • ‘That way you assert your authority, but your colleagues don't think you're a git.’
      • ‘Unfortunately, the Roman Church was at the same time asserting its rights and privileges with a new energy.’
      • ‘At a later stage, the tenant was able to assert his rights to possession of the land against anyone who dispossessed him.’
      • ‘Now others are asserting their constitutional rights.’
      • ‘When women can assert human rights against them, through a law they can use themselves, women will have a right to a place in the world.’
      • ‘No, but the appellants are not asserting an exclusive right to make decisions with respect to the land, even in their notice of appeal.’
      • ‘They are conducted in order to assert authority and extend influence.’
      insist on, stand up for, uphold, defend, contend, establish, press for, push for, stress
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    2. 1.2assert oneself Behave or speak in a confident and forceful manner.
      ‘it was time to assert himself’
      • ‘I am very glad to see women rightfully asserting themselves in the labor movement.’
      • ‘The cattle would have been used for a dowry so it is in ways like that she asserts herself as an independent woman.’
      • ‘As big, tall people, we gave no thought to asserting ourselves.’
      • ‘Is feminity only about asserting yourself as woman when you find yourself left behind in a swirl of progressive women?’
      • ‘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.’
      • ‘A peculiar bug - like the last few colds I've had, it's timid and unsure, and never asserts itself beyond a few basic symptoms.’
      • ‘Likewise, democracy empowers disaffected minorities to speak out and assert themselves along ethnic, religious, or tribal lines.’
      • ‘Speak clearly, compellingly, and without reluctance; assert yourself as a direct leader.’
      • ‘Since then, it has been speaking out widely on shareholder rights and urging investors to assert themselves.’
      • ‘I spent a lot of time following, and not always enough time asserting myself.’
      • ‘Women are increasingly asserting themselves.’
      • ‘If you don't assert yourself with confidence, then you'll be manipulated as a puppet of society.’
      • ‘I believe that this camp will assert itself more and more forcefully in the coming months as it finds itself increasingly the object of focus for the two other camps.’
      • ‘These are also paradoxically anti-modernist moments, when a belief in literature's power of ethical persuasion asserts itself over market-based utility values.’
      • ‘The first wave of feminism demanded that women seek equal rights by asserting themselves in the workforce.’
      • ‘As a shy person, did you have problems asserting yourself in the group?’
      • ‘In the decade since then, the possibility of the courts asserting themselves against parliament in an appropriate case has been significantly strengthened.’
      • ‘For a moment or two he felt unsure himself, but then his deeply rooted confidence in himself asserted itself once again.’
      • ‘Please stay the nice person that you are, but learn also to assert yourself and to speak up for yourself.’
      • ‘They are fearful of asserting themselves on the world stage without the approval of the United Nations.’
      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
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Origin

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

Pronunciation

assert

/əˈsərt//əˈsərt/