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
-
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.
Each of his seven AI agents has its own identity and tasks, from writing code to reviewing it and conducting quality assurance.
From The Wall Street Journal • Mar. 31, 2026
Some claimed they had not been asked to prove their age, while others said they had got around the age assurance methods.
From BBC • Mar. 30, 2026
You might call it lazy if Coppola didn’t operate with so much assurance.
From Salon • Mar. 27, 2026
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
He also recorded Lawrence’s assurance that a recent visitor, “a very distinguished biologist,” had declared “that this technique could well be as important to biology and medicine as the discovery of the microscope.”
From "Big Science" by Michael Hiltzik
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.
