[ uh-sev-uh-reyt ]
/ əˈsɛv əˌreɪt /

verb (used with object), as·sev·er·at·ed, as·sev·er·at·ing.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for asseverate

British Dictionary definitions for asseverate


/ (əˈsɛvəˌreɪt) /


(tr) to assert or declare emphatically or solemnly
Derived Formsasseveration, noun

Word Origin for asseverate

C18: from Latin assevērāre to do (something) earnestly, from sevērus severe
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

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