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.
As the announcer remarks upon how the normally meticulous and unflappable Haines is playing with an uncommon aggression, Hitchcock’s urgent camerawork and rapid cuts show Guy, pressed for time and needing to make a hasty exit, playing at a pace that would give Rafael Nadal an aneurysm. Joe Reid, Vulture, 29 Aug. 2025 Gardner made headlines in April 2024 when the generally unflappable actress hilariously broke character repeatedly in a sketch with pal Mikey Day and host Ryan Gosling both wearing full prosthetics to play live-action versions of Beavis and Butt-Head. Jillian Sederholm, EW.com, 28 Aug. 2025 Covino’s facility with his ensemble is to draw out their inherent screen qualities, from Marvin’s ebullience, to Arjona’s energetic feistiness, to Johnson’s unflappable cool. Katie Walsh, Chicago Tribune, 22 Aug. 2025 Cade Smith remains an unflappable cyborg now tasked with the ninth inning, and Hunter Gaddis has submitted solid numbers in a setup role. Zack Meisel, New York Times, 20 Aug. 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 8 Sep. 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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