unflappable

[ uhn-flap-uh-buh l ]
/ ʌnˈflæp ə bəl /

adjective

not easily upset or confused, especially in a crisis; imperturbable.

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Origin of unflappable

First recorded in 1950–55; un-1 + flap + -able

OTHER WORDS FROM unflappable

un·flap·pa·bil·i·ty, nounun·flap·pa·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for unflappable

British Dictionary definitions for unflappable

unflappable
/ (ʌnˈflæpəbəl) /

adjective

informal hard to upset; imperturbable; calm; composed

Derived forms of unflappable

unflappability or unflappableness, noununflappably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012