self-assurance

American  

[self-uh-shoor-uhns, self-] / ˈsɛlf əˈʃʊər əns, ˌsɛlf- /

noun

1. self-confidence.

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self-assurance British  

noun

1. confidence in the validity, value, etc, of one's own ideas, opinions, etc

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Etymology

Origin of self-assurance

First recorded in 1585–95

Example Sentences

Among the café-table clichés that experts and geopoliticians string together with astonishing self-assurance, one is particularly striking.

From The Wall Street Journal • Mar. 10, 2026

Hughes’ script supplies Andie with a fount of vivacious wit and self-assurance, which is what makes watching her dull her shine as the film progresses so confounding.

From Salon • Feb. 28, 2026

It was a look of authority and self-assurance that even the Hollywood crowd that attended the games respected and admired.

From Los Angeles Times • Feb. 22, 2026

That said, you have self-assurance and agency and, at 55, it’s good to flex those muscles.

From MarketWatch • Nov. 27, 2025

As we talk, he projects an uncommon self-assurance; not a high school boy’s bluster, but a quality deeply ingrained.

From "Drama High" by Michael Sokolove