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[uh-sev-uh-reyt] /əˈsɛv əˌreɪt/
verb (used with object), asseverated, asseverating.
to declare earnestly or solemnly; affirm positively; aver.
Origin of asseverate
1785-95; < Latin assevērātus spoken in earnest (past participle of assevērāre), equivalent to as- as- + sevēr- (see severe) + -ātus -ate1
assert, state, maintain. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for asseverate
Historical Examples
  • She did not asseverate any more, nor even say she was innocent.

    Sue, A Little Heroine

    L. T. Meade
  • No one appeared to think it worth while to asseverate the fact, for it was self-evident.

    Black Ivory R.M. Ballantyne
  • He could asseverate with some justice, "I have never written an insincere note."

    Musical Portraits Paul Rosenfeld
  • They lacked a definite opinion to entertain and a cry to asseverate.

  • It has more solemnity than declare, and more composure and dignity than asseverate, which is to assert excitedly.

    English Synonyms and Antonyms James Champlin Fernald
  • "Wh-why, nobudy ever heard me talkin' things that's tol' in secret," Mike made haste to asseverate.

    The Lookout Man B. M. Bower
  • As to whether she was young, middle-aged or only well-preserved, no one was in a position to asseverate.

    Anderson Crow, Detective George Barr McCutcheon
  • They asseverate with vehemence that in all the seven-and-thirty plays there is no such thing as a native woodnote wild.

  • And she was very glad also that he did not deign to asseverate that he had been ignorant of his half-sister's plight.

    Hilda Lessways Arnold Bennett
  • And I hereby do fully and freely declare and asseverate, that the Woods did not tremble to a kiss, and that the lovers did.

British Dictionary definitions for asseverate


(transitive) to assert or declare emphatically or solemnly
Derived Forms
asseveration, noun
Word Origin
C18: from Latin assevērāre to do (something) earnestly, from sevērussevere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for asseverate

1791, from Latin asseveratus, past participle of asseverare "to affirm, insist on, maintain," from ad- "to" (see ad-) + severus "serious, severe" (see severe). Related: Asseverated; asseverating.

Online Etymology Dictionary, © 2010 Douglas Harper
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