unflappable

[uhn-flap-uh-buhl]

adjective

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

unflappable

/ ʌnˈflæpəbəl /

adjective

1. informal,  hard to upset; imperturbable; calm; composed

Other Word Forms

• unflappability noun
• unflappably adverb

Word History and Origins

Origin of unflappable¹

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

Example Sentences

Your father was so sharp minded, so unflappable.

Read more on Literature

Brioche, though, struck the balance: rich, tender and unflappable.

Read more on Salon

Acquaintances describe Martin’s demeanor as extraordinarily genial; he smiled constantly and offered his diagnoses in a straightforward, unflappable drawl.

Read more on The Wall Street Journal

Jones seems pretty unflappable, and those windows where he is throwing it 15-20 yards, he is putting it on these guys.

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However, such was Rodrigues' brilliance - her speed between the wickets, her innovation by shuffling across her stumps, her pinpoint ability to pick the gaps between fielders - that the usually unflappable Australia were rocked.

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Related Words

• composed 
• impassive 
• nonchalant 
• relaxed 
• self-possessed 
• unruffled