unflappable
Americanadjective
adjective
Other Word Forms
Etymology
Origin of unflappable
Explanation
To be unflappable is to be calm and relaxed, even in a stressful situation. A confident person is usually unflappable. Some people get nervous and jittery under pressure, while others are unflappable. If you're unflappable, you stay calm, relaxed, and poised no matter what's happening. A good kindergarten teacher stays unflappable in the midst of chaos, and a successful businessperson is unflappable when faced with deadlines and unexpected problems. The earliest use of this word was in 1953, in reference to the British prime minister. At its root is flap, 20th-century British slang meaning "disturbance or tumult."
Vocabulary lists containing unflappable
The Book Thief
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Mellow Out: Synonyms for "Calm"
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"The Book Thief" by Markus Zusak, Part Six
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But you think of Lorne as so unflappable and powerful.
From Salon ● Jul. 5, 2026
Former New Zealand all-rounder Sir Richard Hadlee described Williamson as a "wonderful player" and an "unflappable leader", who was the "architect of some our of greatest moments in cricket".
From BBC ● Jun. 12, 2026
The unflappable Lincoln might have been a little nonplussed.
From The Wall Street Journal ● Apr. 30, 2026
A pigeon briefly stopped play during Atletico Madrid's 3-2 win over Real Sociedad with unflappable defender Jose Gimenez plucking the bird off the pitch and taking it to safety.
From BBC ● Mar. 7, 2026
Your father was so sharp minded, so unflappable.
From "The Long-Lost Home" by Maryrose Wood
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
