assurance
Americannoun
-
a positive declaration intended to give confidence.
He received assurances of support for the project.
-
promise or pledge; guaranty; surety.
He gave his assurance that the job would be done.
-
full confidence; freedom from doubt; certainty.
to act in the assurance of success.
- Antonyms:
- uncertainty
-
freedom from timidity; self-confidence; belief in one's abilities.
She acted with speed and assurance.
- Antonyms:
- uncertainty
-
presumptuous boldness; impudence.
- Synonyms:
- cheek, nerve, impertinence, effrontery
- Antonyms:
- uncertainty
-
Chiefly British. insurance.
noun
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a statement, assertion, etc, intended to inspire confidence or give encouragement
she was helped by his assurance that she would cope
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a promise or pledge of support
he gave an assurance of help when needed
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freedom from doubt; certainty
his assurance about his own superiority infuriated her
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forwardness; impudence
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insurance providing for certainties such as death as contrasted with fire or theft
Usage
What does assurance mean? An assurance is a positive promise, pledge, or guarantee. It is intended to dispel the listener’s doubts and give them confidence.When we are worried about something, an assurance from a trusted source can ease our anxieties. If you’re nervous about a volcano erupting, a scientist could give you assurance that it’s not meant to blow for 500 more years. The assurance might help you feel more safe and certain.Example: When Marya’s teacher asked why she hadn’t submitted her assignment, Marya gave an assurance that the essay was on its way.
Related Words
See trust. See confidence.
Other Word Forms
- preassurance noun
Etymology
Origin of assurance
First recorded in 1325–75; Middle English ass(e)ura(u)nce, from Middle French ass(e)urance; equivalent to assure + -ance
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While the government said it would not use the tech for those purposes, it was unable to provide Anthropic with the assurance it wanted.
From Los Angeles Times • Mar. 20, 2026
Markets, he said, may be skeptical of any assurance that this, too, shall pass.
From Barron's • Mar. 18, 2026
There have also been concerns that age assurance technologies would wrongly block adults while failing to spot underage users.
From BBC • Mar. 6, 2026
That this didn’t happen has sparked a back-and-forth about culpability, with Deadline reporting BAFTA’s assurance that it made the BBC and the broadcast’s producers aware that the slur was audible shortly after Davidson blurted it.
From Salon • Mar. 1, 2026
Kaede remembered Maire Morighan’s theory that these disparate events were all connected, but Taisin spoke with an assurance that was surprising.
From "Huntress" by Malinda Lo
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.