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assure

[ uh-shoor, uh-shur ]
/ əˈʃʊər, əˈʃɜr /
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See synonyms for: assure / assured / assuring on Thesaurus.com

verb (used with object), as·sured, as·sur·ing.
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Origin of assure

1325–75; Middle English as(e)uren, assuren<Old French aseurer<Late Latin assēcūrāre, equivalent to Latin as-as- + sēcūr- (see secure) + -ā- thematic vowel + -re infinitive suffix

OTHER WORDS FROM assure

as·sur·er, as·su·ror, nounin·ter·as·sure, verb (used with object), in·ter·as·sured, in·ter·as·sur·ing.pre·as·sure, verb (used with object), pre·as·sured, pre·as·sur·ing.un·as·sur·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for assure

assure
/ (əˈʃʊə) /

verb (tr; may take a clause as object)
to cause to feel sure or certain; convinceto assure a person of one's love
to promise; guaranteehe assured us that he would come
to state positively or with assurance
to make (an event) certain; ensure
mainly British to insure against loss, esp of life
property law another word for convey

Derived forms of assure

assurable, adjectiveassurer, noun

Word Origin for assure

C14: from Old French aseürer to assure, from Medieval Latin assēcūrāre to secure or make sure, from sēcūrus secure
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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