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unflappable

[uhn-flap-uh-buh l] /ʌnˈflæp ə bəl/
adjective
1.
not easily upset or confused, especially in a crisis; imperturbable.
Origin
1950-1955
1950-55; un-1 + flap + -able
Related forms
unflappability, noun
unflappably, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un flappable

unflappable

/ʌnˈflæpəbəl/
adjective
1.
(informal) hard to upset; imperturbable; calm; composed
Derived Forms
unflappability, unflappableness, noun
unflappably, 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
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Word Origin and History for un flappable

unflappable

adj.

1958, from un- (1) "not" + flap (v.) + -able. Originally used in reference to Harold Macmillan, British P.M. 1957-63.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for un flappable

unflappable

adjective

Calm; imperturbable; cool: They admired Mrs Thatcher's unflappable mien (1958+)

Related Terms

flap


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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