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

This incident may just prove that even for the seemingly invincible and unflappable KKW, there is sometimes such a thing as bad press. Ephrat Livni, Quartzy, "Read the letter from Kyoto’s mayor to Kim Kardashian protesting “Kimono” shapewear," 30 June 2019 Her unflappable questioning of Supreme Court nominee Brett Kavanaugh earned her kudos from farther-left Democrats. Quartz Staff, Quartz, "Meet all the Democratic candidates in the crowded 2020 race," 24 June 2019 Among Herta's most notable and valuable qualities continues to be his unflappable demeanor. Jim Ayello, Indianapolis Star, "Colton Herta becomes youngest pole-winner in IndyCar history at Road America," 22 June 2019 Of course, the unflappable Rask can have that effect on a team. Author: Jay Cohen, Anchorage Daily News, "Bruins force Stanley Cup Game 7 with 5-1 win over Blues," 10 June 2019 For your boundless generosity, unflappable honesty and kindness to all living things. Helen Murphy, PEOPLE.com, "Kate Spade’s Husband Shares Moving Tribute to Late Designer: ‘Heaven Is Lucky to Have You’," 7 June 2019 Either way, this is a whole new look for Dr. Love, who was slick and unflappable — right up until his mother arrives on the scene. Nina Metz, chicagotribune.com, "‘Claws’ Episode 3 recap: 5 things to know about ‘Russian Navy’ and the sinking of the S.S. Jen," 25 June 2018 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

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

8 Jul 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

What made you want to look up unflappable? Please tell us where you read or heard it (including the quote, if possible).


appealing forcibly to the mind or reason

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