Assert Definition

ə-sûrt
asserted, asserting, asserts
verb
asserted, asserting, asserts
To state or express positively; affirm.
Asserted his innocence.
American Heritage
To state positively; declare; affirm.
Webster's New World
To defend or maintain (one's rights, for example).
American Heritage
To maintain or defend (rights, claims, etc.)
Webster's New World
To put into action boldly; employ or demonstrate.
Asserted her independence.
American Heritage
Antonyms:
noun
(computer science) An assert statement; a section of source code which tests whether an expected condition is true.
Wiktionary
idiom
assert oneself
  • To act boldly or forcefully, especially in defending one's rights or stating an opinion.
American Heritage
assert oneself
  • to insist on one's rights, or on being recognized
Webster's New World

Idioms, Phrasal Verbs Related to Assert

Origin of Assert

  • From Latin assertus, perfect passive participle of asserō (“declare someone free or a slave by laying hands upon him; hence free from, protect, defend; lay claim to, assert, declare”), from ad (“to”) + serō (“join, range in a row”).

    From Wiktionary

  • Latin asserere assert- ad- ad- serere to join ser-2 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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