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.

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.

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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

How to use assure in a sentence

Sarah barely knows Karen, who seems a little standoffish, but Karen smirks when she assures Sarah that she and the much-older Martin are “just hanging out.”
The mind-boggling end of Susan Choi’s Trust Exercise, explained|Constance Grady|November 20, 2020|Vox
Locksley said he assured his fellow Big Ten coach, “Look, our goal, once we get the go-ahead from our medical people, is we’re preparing to play.”
Maryland football is ‘committed to getting back,’ but timeline for return is unclear|Emily Giambalvo|November 20, 2020|Washington Post
He met with Washington wide receivers coach Jim Hostler, who assured him the team believed in him and said, “Go have fun.”
For undrafted NFL rookies, the odds were even longer this year. Isaiah Wright made it anyway.|Sam Fortier|November 20, 2020|Washington Post
Miss Manners assures you this is always possible, even if, for example, your husband’s day job is repairing washing machines.
Miss Manners: Family visit becomes one big project|Judith Martin, Nicholas Martin, Jacobina Martin|November 19, 2020|Washington Post

So ultimately, we’ll have to wait and see what the often-messy redistricting process produces in each state — and you can rest assured that will be a major focus of FiveThirtyEight’s coverage in 2021.
Republicans Won Almost Every Election Where Redistricting Was At Stake|Nathaniel Rakich (nathaniel.rakich@fivethirtyeight.com)|November 18, 2020|FiveThirtyEight
Its stated role is to protect public health by assuring the safety of foods, medicines, and cosmetics.
The Best Regulator? That’s Easy. It’s the Market.|Veronique de Rugy|October 16, 2014|DAILY BEAST
A cartoon on the final weekend showed Bill Clinton assuring a box with air holes, “Only a few days more, Hillary.”
Everyone Sees the Hillary They Want to See|Eleanor Clift|June 17, 2014|DAILY BEAST
He has been assuring the world for weeks that Moscow is just a friendly observer to the chaos in Ukraine.
Putin Was Right: This Internet Thing Really Was Created by the CIA|Eli Lake|April 24, 2014|DAILY BEAST
Now, of course, Anthony is assuring us that all of this is old news.
Weiner’s Sexting Matters; He’s Running For Mayor|Michelle Cottle|July 24, 2013|DAILY BEAST
Administration officials have repeatedly issued anodyne statements assuring us that the NSA programs do not “target” Americans.
The Secret FISA Court Must Go|Jennifer Granick, Christopher Sprigman|July 24, 2013|DAILY BEAST
The young man offered him a seat, assuring him that his mother would not keep him waiting long.
St. Martin's Summer|Rafael Sabatini
But he told Arsenio no more that day, beyond assuring him he would speak for him and let him know upon the morrow.
St. Martin's Summer|Rafael Sabatini
Suppose he buys goods assuring the seller that he is twenty-one years of age when in fact he is not, though nearly so.
Putnam's Handy Law Book for the Layman|Albert Sidney Bolles
His father scolded him somewhat impatiently, and sent him back to bed again, assuring him that he had been dreaming.
Urania|Camille Flammarion
We wanted to take you to the Holy Land, assuring you that you would be exhibited for money!
The Pilgrim's Shell or Fergan the Quarryman|Eugne Sue

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

assure

Origin of assure

OTHER WORDS FROM assure

Words related to assure

How to use assure in a sentence

British Dictionary definitions for assure

Derived forms of assure

Word Origin for assure