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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
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. 2021

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
assurable, adjectiveassurer, noun
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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