as·sur·ance | \ ə-ˈshu̇r-ən(t)s \

Definition of assurance 

1 : the state of being assured: such as

a : a being certain in the mind the puritan's assurance of salvation

b : confidence of mind or manner : easy freedom from self-doubt or uncertainty spoke with assurance about his future plans also : excessive self-confidence : brashness, presumption

c : security

2 : something that inspires or tends to inspire confidence gave repeated assurances of goodwill

3 : the act or action of assuring someone or something: such as

a : pledge, guarantee You have my solemn assurance that it is true.

b : the act of conveying real property (see real entry 1 sense 2) also : the instrument (see instrument entry 1 sense 4) by which it is conveyed

c chiefly British : insurance

Keep scrolling for more

Choose the Right Synonym for assurance

confidence, assurance, self-possession, aplomb mean a state of mind or a manner marked by easy coolness and freedom from uncertainty, diffidence, or embarrassment. confidence stresses faith in oneself and one's powers without any suggestion of conceit or arrogance. the confidence that comes from long experience assurance carries a stronger implication of certainty and may suggest arrogance or lack of objectivity in assessing one's own powers. handled the cross-examination with complete assurance self-possession implies an ease or coolness under stress that reflects perfect self-control and command of one's powers. answered the insolent question with complete self-possession aplomb implies a manifest self-possession in trying or challenging situations. handled the reporters with great aplomb

Examples of assurance in a Sentence

They lent us the money with the assurance that they would be repaid soon. He has the assurance of continued support from his boss. He spoke with quiet assurance about his future plans. She gave him every assurance that she would be there when he returned.
See More

Recent Examples on the Web

This suggests that Khosrowshahi’s attempt to build trust among employees, an assurance that the company can address challenges internally, has not taken hold. Jessi Hempel, WIRED, "The Rise And Fall of Uber HR Chief Liane Hornsey," 11 July 2018 As an assurance, the Beckham group should guarantee that First Tee would always have a home as a part of its sprawling acreage. Greg Cote, miamiherald, "Let voters decide! Why Beckham group's soccer stadium plan deserves to be on ballot," 9 July 2018 But Jealous suggested the governor’s assurances on the issue can’t be trusted. Michael Dresser,, "Ben Jealous criticizes Maryland Gov. Hogan for declining comment on Trump's possible Supreme Court pick," 3 July 2018 The cherry on top is that James signed a four-year deal—assurance for some fans who might not want to spend on a jersey that could be irrelevant a year from now. Cam Wolf, GQ, "LeBron James’s L.A. Lakers Jersey Is Already a Best-Seller," 2 July 2018 The researchers are suggesting that the 5G specification be revised to make integrity assurance mandatory. Dan Goodin, Ars Technica, "LTE wireless connections used by billions aren’t as secure as we thought," 29 June 2018 Preternaturally poised with a pre-Raphaelite presence joined to palpable strength, actress McKenzie conveys all this quiet assurance with a minimum of fuss. Kenneth Turan,, "'Leave No Trace' is a reminder that the movie world is better with Debra Granik in it," 28 June 2018 Some of us recall similar assurances about Saddam Hussein. T.a. Frank, The Hive, "The Real Horror Of the Trump Doctrine: There Is No Method to the Madness," 15 May 2018 EasyMesh promises to bring to mesh networks the same interoperability assurances that conventional routers have long offered. Michael Brown, PCWorld, "Wi-Fi Alliance’s Wi-Fi EasyMesh certification aims to standardize mesh networks," 14 May 2018

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

See More

First Known Use of assurance

14th century, in the meaning defined at sense 3a

History and Etymology for assurance

see assure

Keep scrolling for more

Learn More about assurance

Phrases Related to assurance

life assurance

Statistics for assurance

Last Updated

11 Sep 2018

Look-up Popularity

Time Traveler for assurance

The first known use of assurance was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for assurance



English Language Learners Definition of assurance

: the state of being sure or certain about something

: a strong feeling of confidence about yourself or about being right

: a strong and definite statement that something will happen or that something is true


as·sur·ance | \ ə-ˈshu̇r-əns \

Kids Definition of assurance

1 : the act of making sure or confident You have my assurance that it's true.

2 : the state of being sure or confident I lent him money with assurance that I would be repaid.

3 : self-confidence She spoke of her plans with quiet assurance.



Legal Definition of assurance 

1a : the act of assuring

b : guarantee sense 3

2 : the act of conveying real property also : the document by which it is conveyed

3 chiefly British : insurance

Keep scrolling for more

Comments on assurance

What made you want to look up assurance? Please tell us where you read or heard it (including the quote, if possible).


alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!