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

In a social media post on Monday, May 11, the nonprofit said the chicks' leg bones are maturing as both eaglets remain steady in their nest, standing and walking about with self-assurance. — Michelle Del Rey, USA Today, 12 May 2026

Because this brazen self-assurance still leads to drafting guys 100 picks early just because an assistant coach got a warm, fuzzy feeling. — Dieter Kurtenbach, Mercury News, 27 Apr. 2026

A lot of the work in the permanent collection also was inspired by themes of healing, self-acceptance, self-assurance and mental wellness that Atkinson uses for his art therapy practice. — Anya Sesay, jsonline.com, 23 Apr. 2026

That sense of follow-through builds the foundation for lasting self-assurance. — Reality Changers, Forbes.com, 13 Apr. 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