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assure

verb
as·​sure | \ ə-ˈshu̇r How to pronounce assure (audio) \
assured; assuring

Definition of assure

transitive verb

1 : to make sure or certain : convince glancing back to assure himself no one was following
2 : to inform positively I assure you that we can do it.
3 : to make certain the coming or attainment of : guarantee worked hard to assure accuracy
4 : to make safe (as from risks or against overthrow) : insure assured the security of the country
5 : to give confidence to And hereby we know that we are of the truth, and shall assure our hearts … — 1 John 3:19 (King James Version)
Synonyms & Antonyms Choose the Right Synonym More Example Sentences Learn More about assure

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Synonyms & Antonyms for assure

Synonyms

cheer, comfort, console, reassure, solace, soothe

Antonyms

distress, torment, torture, trouble

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Choose the Right Synonym for assure

ensure, insure, assure, secure mean to make a thing or person sure. ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee the government has ensured the safety of the refugees , while insure sometimes stresses the taking of necessary measures beforehand careful planning should insure the success of the party , and assure distinctively implies the removal of doubt and suspense from a person's mind. I assure you that no harm will be done secure implies action taken to guard against attack or loss. sent reinforcements to secure their position

Examples of assure in a Sentence

I can assure you that you won't be disappointed. a minister choosing just the right words to assure the grieving parents of the fallen soldier

Recent Examples on the Web

 Some residents are concerned about noise created by dredging and pile-driving, said Kalmick, who’s been assured the latter will only be conducted during regular working hours. — Daniel Langhorne, Daily Pilot, "Navy awards $154 million construction contract to modernize Seal Beach base," 5 Sep. 2019 And rest assured, the new midcourt cardinal has on Adidas sneakers and its face has been modified slightly to keep up with updates made to the school's logo in the decades since the Dunking Cardinal Bird has been used. — Lucas Aulbach, The Courier-Journal, "Is it basketball season yet? Louisville lays down dunking cardinal court at Yum Center," 4 Sep. 2019 Rest assured, though, some of its new features are still pretty sweet. — Wired, "Android 10 Has Arrived. Here’s What to Expect," 3 Sep. 2019 Rest assured that you are guaranteed to hear a few Skynyrd classics among the original tunes. — Chip Mccabe, courant.com, "One can’t-miss band for every day at The Big E," 3 Sep. 2019 Should Dorian hit Florida hard, rest assured plenty of assistance will be forthcoming. — San Diego Union-Tribune, "Column: Another Trump whirlwind week on immigration and the border," 1 Sep. 2019 Ahkello Witherspoon, Jason Verrett, K’Waun Williams, Emmanuel Moseley, D.J. Reed Analysis: Williams (knee) and Verrett (ankle) may not be ready for the regular season, which assures Moseley of a roster spot. — Eric Branch, SFChronicle.com, "49ers’ beat writer Eric Branch’s fearless 53-man roster projection," 30 Aug. 2019 Items must have at least a 4.1 rating and a minimum of 100 reviews to score a slot in our roundup, so rest assured that everything is both popular and high quality. — Julianne Ross, CNN Underscored, "These are the 20 most popular products Underscored readers are shopping in August," 28 Aug. 2019 Rest assured, Taylor Swift fans — you’ll definitely get to hear her new album Lover live and in person. — Rachel Desantis, PEOPLE.com, "Taylor Swift Dishes on Plans for Lover Tour: 'I Don't Want to Do the Same Thing Every Time'," 27 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'assure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of assure

14th century, in the meaning defined at sense 4

History and Etymology for assure

Middle English, from Anglo-French asseurer, assurer, from Medieval Latin assecurare, from Latin ad- + securus secure

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More Definitions for assure

assure

verb
How to pronounce assure (audio)

English Language Learners Definition of assure

: to make (something) certain
: to tell someone in a very strong and definite way that something will happen or that something is true

See the full definition for assure in the English Language Learners Dictionary

assure

verb
as·​sure | \ ə-ˈshu̇r How to pronounce assure (audio) \
assured; assuring

Kids Definition of assure

1 : to give certainty, confidence, or comfort to He assured the children all was well. She assured herself that the doors were locked.
2 : to inform positively I assure you that you won't be disappointed.
3 : to provide a guarantee of assure their safety Hard work assures success.

assure

transitive verb
as·​sure
assured; assuring

Legal Definition of assure

1 chiefly British : insure
2a : to inform positively the seller assured the buyer of his honesty
b : to provide a guarantee of

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