self-assurance

noun

self-as·​sur·​ance ˌself-ə-ˈshu̇r-ən(t)s 

-ˈshər-

: self-confidence

Synonyms of self-assurance

• confidence
• assurance
• self-confidence
• composure
• self-assuredness

Examples of self-assurance in a Sentence

because of her self-assurance she could bring herself to quit her dead-end job and start her own company

Recent Examples on the Web

Reiter’s character’s brash self-assurance, along with her expressive face and physicality, really complement a deadpan Wickline. — Rima Parikh, Vulture, 27 Sep. 2026

The 25-year-old from California opened the final with some swagger, popping four aces in the first game, but his self-assurance quickly ebbed. — Ava Wallace, New York Times, 14 Aug. 2026

The most consistent signature across her growing catalogue is her self-assurance as a performer. — Larisha Paul, Rolling Stone, 7 Aug. 2026

The self-assurance that allowed Odysseus to act decisively often became arrogance, leading him to be too quick to dismiss counsel and too slow to change course once committed. — Dr. Samantha Madhosingh, Forbes.com, 26 July 2026

Word History

First Known Use

1595, in the meaning defined above

Rhymes for self-assurance

• reassurance
• reinsurance
• assurance
• insurance
• durance

Kids Definition

self-assurance

noun

self-as·​sur·​ance

ˌsel-fə-ˈshu̇r-ən(t)s

: self-confidence