assurance

noun

as·​sur·​ance ə-ˈshu̇r-ən(t)s How to pronounce assurance (audio)
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
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 5) by which it is conveyed
c
chiefly British : insurance
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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That meant providing assurance through a number of different avenues, including showing a clean SOC 2 attestation, answering long security questionnaires, and completing various compliance certifications through painstakingly manual processes. Dave Smith, Fortune, 25 Oct. 2025 His legal team condemned the plan as unconstitutional and punitive, warning that without assurances from Liberia, Abrego Garcia could be sent back to El Salvador. Amanda Castro, MSNBC Newsweek, 24 Oct. 2025 German journalism unions have voiced concerns over the editorial direction of ProSieben under MFE, which led to Berlusconi providing assurances to senior government ministers that independence would remain. Jesse Whittock, Deadline, 23 Oct. 2025 Tiffany has given assurances that the national park designation will not affect tribal treaty rights or sovereignty, and tribal members will continue to be able to hunt and fish on land and waterways that were once Ojibwe territory. Frank Vaisvilas, jsonline.com, 22 Oct. 2025 See All Example Sentences for assurance

Word History

Etymology

see assure

First Known Use

14th century, in the meaning defined at sense 3

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

Browse Nearby Words

Cite this Entry

“Assurance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assurance. Accessed 31 Oct. 2025.

Kids Definition

assurance

noun
as·​sur·​ance ə-ˈshu̇r-ən(t)s How to pronounce assurance (audio)
1
: the act of assuring
2
: the state of being sure or certain
3
chiefly British : insurance sense 1
4

Legal Definition

assurance

noun
as·​sur·​ance
1
a
: the act of assuring
2
: the act of conveying real property
also : the document by which it is conveyed
3
chiefly British : insurance

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