FluentPlex

assert

/əˈsɝt/ verb B2
  1. To declare with assurance or plainly and strongly; to state positively. · He would often assert that there was life on other planets.
  2. To use or exercise and thereby prove the existence of. · to assert one's authority· Salman Rushdie has asserted his right to be identified as the author of this work.
  3. To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to. · to assert our rights and liberties
  4. To insist on the legitimacy of one's rights, opinion, etc; not to allow oneself to be dismissed; to ensure that one is taken into consideration; to make oneself respected; to be assertive. See assert oneself. · Since going to therapy, I've found it much easier to assert myself.
  5. To declare that a condition or expression must be true at a certain point in the source code (in some cases causing the program to fail if it is not, as a safeguard).
  6. To set a signal on a line using a voltage or electric current.

He/she/it asserts · Past asserted · Past participle asserted · -ing form asserting

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Verb forms

Base form
assert
He/she/it
asserts
Past
asserted
Past participle
asserted
-ing form
asserting

From the library

Can you, sir, produce any witnesses to the truth of what you have asserted?’—‘Alas, no, monsieur,’ replied the count; ‘all those who surrounded the vizier, or who knew me at his court, are either dead or gone away, I know not where.
The Count of Monte Cristo, p. 872 · C1
The Traveler asserted that he had, with the hire of the Ass, hired his Shadow also.
Three Hundred Aesop's Fables, p. 43 · B2
Now, as a quarter-past one has already struck, I do not consider I have asserted too much in saying, that, in another hour and thirty minutes Mercédès will have become Madame Dantès.”
The Count of Monte Cristo, p. 26 · C1
In his singular character the dual nature alternately asserted itself, and his extreme exactness and astuteness represented, as I have often thought, the reaction against the poetic and contemplative mood which occasionally predominated in him.
The Adventures of Sherlock Holmes, p. 21 · B2

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.