unflappable
adjective
un·flap·pa·ble
ˌən-ˈfla-pə-bəl 
: marked by assurance and self-control
has a reputation for being unflappable even in the worst situations
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
Massachusetts resident Stephen Chukumba, who featured in the original short and has stepped up to producing for this feature, faces less drastic life choices, especially since his transgender son Hobbes, a delightfully phlegmatic, unflappable kid, is now old enough to go off to university.
—
Leslie Felperin, HollywoodReporter, 20 Mar. 2026
Pavlovic is unflappable in possession, sees the game around him with such clarity already, and has every chance of becoming a global star.
—The Athletic Uk Staff, New York Times, 17 Mar. 2026
McBride — adventurer, daredevil — appears unflappable.
—Los Angeles Times, 15 Mar. 2026
The 1995 film version of this exchange between Charlotte and Lizzy, in which the former is portrayed cooly by the unflappable Lucy Scott, challenges the audience’s ability to empathize with Charlotte’s pragmatism, and seems to encourage us to side with Elizabeth’s dismay.
—Literary Hub, 9 Mar. 2026
See All Example Sentences for unflappable
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Leslie Felperin, HollywoodReporter, 20 Mar. 2026
Pavlovic is unflappable in possession, sees the game around him with such clarity already, and has every chance of becoming a global star.
—The Athletic Uk Staff, New York Times, 17 Mar. 2026
McBride — adventurer, daredevil — appears unflappable.
—Los Angeles Times, 15 Mar. 2026
The 1995 film version of this exchange between Charlotte and Lizzy, in which the former is portrayed cooly by the unflappable Lucy Scott, challenges the audience’s ability to empathize with Charlotte’s pragmatism, and seems to encourage us to side with Elizabeth’s dismay.
—Literary Hub, 9 Mar. 2026
See All Example Sentences for unflappable
Cite this Entry
“Unflappable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unflappable. Accessed 3 Apr. 2026.
Copy CitationKids Definition
unflappable
adjective
un·flap·pa·ble
ˌən-ˈflap-ə-bəl
: not easily upset or panicked : unusually calm
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