unflappable

adjective

un·​flap·​pa·​ble ˌən-ˈfla-pə-bəl 

: marked by assurance and self-control

unflappability

ˌən-ˌfla-pə-ˈbi-lə-tē 

noun

unflappably

ˌən-ˈfla-pə-blē 

adverb

Synonyms

• imperturbable
• nerveless
• unshakable

Examples of unflappable in a Sentence

He has a reputation for being unflappable.

the unflappable teacher never even blinked when the wall map came crashing down

Recent Examples on the Web

Despite being an unflappable beauty, Lesa seems to have struggled to connect with the women, and the dinner scene is a perfect example. —Shamira Ibrahim, Vulture, 25 June 2024

Nowak is a steady, unflappable volunteer who shows up every Saturday and Sunday from 8 a.m. to noon to make sure the work is completed properly. —Jeanette Marantos, Los Angeles Times, 5 Dec. 2024

Fellow All-Star Devin Booker was seemingly unflappable, scoring a game-high 40 points on 11-of-18 shooting (5 for 9 from 3-point range) with eight assists. —Janis Carr, Orange County Register, 1 Nov. 2024

After the splat, Emerson’s unnerving, unflappable gaze switches the atmosphere from comic relief to white-knuckle suspense. —Dan Reilly, Vulture, 11 Sep. 2024

Word History

Etymology

un- entry 1 + flap entry 1 (state of excitement) + -able

First Known Use

1954, in the meaning defined above

Kids Definition

unflappable

adjective

un·​flap·​pa·​ble ˌən-ˈflap-ə-bəl 

: not easily upset or panicked : unusually calm