un·​flap·​pa·​ble | \ ˌən-ˈfla-pə-bəl How to pronounce unflappable (audio) \

Definition of unflappable

: marked by assurance and self-control

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Other Words from unflappable

unflappability \ ˌən-​ˌfla-​pə-​ˈbi-​lə-​tē How to pronounce unflappability (audio) \ noun
unflappably \ ˌən-​ˈfla-​pə-​blē How to pronounce unflappably (audio) \ adverb

Synonyms & Antonyms for unflappable


imperturbable, nerveless, unshakable


perturbable, shakable (or shakeable)

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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

Being unflappable is required of women in politics. Brittney Cooper, Marie Claire, "Stacey Abrams Is Just Getting Started," 11 Mar. 2019 McConnell, the typically cool and unflappable Senate tactician, showed pique leaving the weekly luncheon. Time, "President Trump Is Making It Harder for Congress to Stop Family Separations," 19 June 2018 Ever since then, and now in its fourth season, the series has operated with a quiet, unflappable confidence. Todd Vanderwerff, Vox, "NBC’s immensely charming workplace comedy enters season 4.," 20 Nov. 2018 Even now, after many small-caps were in the red for September, the top-performing managers in the Winners’ Circle remain unflappable. Suzanne Mcgee, WSJ, "Small-Stock Managers Still Top the Charts," 5 Oct. 2018 Klobuchar is the unflappable good cop, smiling with catlike calm when a suspect spits her questions back in her face. Megan Angelo, Glamour, "The Kavanaugh Hearings, Day 3: In a Surprise Bring It On Reenactment, Democratic Senators Channel the Toros," 7 Sep. 2018 Cassius is by turns cautious and audacious, unflappable and panicky, easily freaked out and able to deal with the craziest of situations. New York Times, "Review: ‘Sorry to Bother You,’ but Can I Interest You in a Wild Dystopian Satire?," 2 July 2018 After Donnie disappears down the hall, Gunther, an unflappable, ginger-colored terrier mix, pads into the examining room. Amy Sutherland, BostonGlobe.com, "An experimental cancer treatment cured this dog. Could it work for people?," 16 May 2018 Bocchi appeared unflappable and Texas (42-21) proved unassailable in a 5-2 win over Tennessee Tech (53-12). Nick Moyle, San Antonio Express-News, "Bocchi, Clemens lead Texas to CWS for 36th time," 11 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unflappable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unflappable

1954, in the meaning defined above

History and Etymology for unflappable

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

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Statistics for unflappable

Last Updated

1 Apr 2019

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Time Traveler for unflappable

The first known use of unflappable was in 1954

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More Definitions for unflappable



English Language Learners Definition of unflappable

: not easily upset : unusually calm in difficult situations

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More from Merriam-Webster on unflappable

Rhyming Dictionary: Words that rhyme with unflappable

Thesaurus: All synonyms and antonyms for unflappable

Spanish Central: Translation of unflappable

Nglish: Translation of unflappable for Spanish Speakers

Comments on unflappable

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one that collects or salvages junk

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