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.
With his gravelly voice and unflappable demeanor, Ackles makes a more than capable action hero. Dave Nemetz, TVLine, 23 June 2025 Three have been the results of walk-offs as a previously unflappable bullpen is struggling, particularly the past two weeks, with the offense unable to put games away early. Dan Hayes, New York Times, 18 June 2025 The clip demonstrates a strong grasp of what made the original series so funny — madcap zaniness anchored by an unflappable straight man. Randall Colburn, EW.com, 16 June 2025 An anxious Cooper seeks comfort from her unflappable husband and business partner, Matt Kaplan (a figure so adored by the Daddy Gang, some audience members carry giant cutouts of his face). Judy Berman, Time, 10 June 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

Browse Nearby Words

Cite this Entry

“Unflappable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unflappable. Accessed 8 Jul. 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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