unflappable

adjective

un·​flap·​pa·​ble ˌən-ˈfla-pə-bəl How to pronounce unflappable (audio)
: marked by assurance and self-control
unflappability noun
unflappably adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Banham is known and valued for her cheerful dependability, unflappable regardless of her minutes or place on any roster’s depth chart. Julia Poe, Chicago Tribune, 6 Aug. 2025 Shout your order to the unflappable bartenders over the din of the country music and crowds. Mackensy Lunsford, The Tennessean, 1 Aug. 2025 Such an unflappable creed is not synthesised with time or practice. Megan Feringa, New York Times, 20 July 2025 Even after catcher Hunter Goodman’s one-out single in the fourth, the Red Sox righty was unflappable. Gabrielle Starr, Boston Herald, 9 July 2025 See All Example Sentences for unflappable

Word History

Etymology

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

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of unflappable was in 1954

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Cite this Entry

“Unflappable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unflappable. Accessed 19 Aug. 2025.

Kids Definition

unflappable

adjective
un·​flap·​pa·​ble ˌən-ˈflap-ə-bəl How to pronounce unflappable (audio)
: not easily upset or panicked : unusually calm

More from Merriam-Webster on unflappable

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