[ uh-shoo r, uh-shur ]
/ əˈʃʊər, əˈʃɜr /
verb (used with object), as·sured, as·sur·ing.
to declare earnestly to; inform or tell positively; state with confidence to: She assured us that everything would turn out all right.
to cause to know surely; reassure: He assured himself that no one was left on the bus.
to pledge or promise; give surety of; guarantee: He was assured a job in the spring.
to make (a future event) sure; ensure: This contract assures the company’s profit this month.
to secure or confirm; render safe or stable: to assure a person’s position.
to give confidence to; encourage.
Chiefly British. to insure, as against loss.
Words nearby assure
Origin of assure
1325–75; Middle English as(e)uren, assuren
Latin as- as-
thematic vowel +
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. 2020
Examples from the Web for assure
Nobody can assure anybody and some of these authorities at the crematorium have very little background in science.
There will be an early vote on the Keystone XL pipeline, which enough Democrats support to assure passage.
In giving freedom to the slave, we assure freedom to the free—honorable alike in what we give, and what we preserve.
I assure you there isn’t a single local businessman who doesn’t know the name Germán Goyeneche.
Having known a few presidents myself, I can assure you that there is little time to truly unwind, even on “vacation.”
“I assure you that maman’s doing it on purpose,” Liza thought necessary to explain to Shatov.
To assure himself, he raised her arm, which remained in the air until he placed it on the bed.
On a 1200 calorie schedule arranged as I have it you will not be hungry, I assure you.
I assure you it was a very “bad quarter of an hour” we passed in that boat; getting into it was difficult enough.
A week after, the fierce battle of Prague was fought—I can assure you your son behaved like a brave soldier.
British Dictionary definitions for assure
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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