unflappable

adjective

ˌən-ˈfla-pə-bəl How to pronounce unflappable (audio)
Definition of unflappablenext
as in nonchalant
not easily panicked or upset the unflappable teacher never even blinked when the wall map came crashing down

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of unflappable Milo is also unflappable in the face of critics. — Stephanie Ganz, Parents, 16 June 2026 Ty France is an unflappable first baseman, Tatis is becoming increasingly comfortable and increasingly spectacular at second, and Bogaerts is arguably playing at a Gold Glove level at shortstop. — Kevin Acee, San Diego Union-Tribune, 28 May 2026 When leaders appear unflappable and unshakeable, everything downstream appears to operate that much better, so leaders project invincibility. — Julian Hayes Ii, Forbes.com, 23 May 2026 Myers nails the realistic teen who is a far cry from the unflappable Nancy Drew, screwing up plenty and often terrified of what she's gotten herself into. — Kevin Jacobsen, Entertainment Weekly, 22 May 2026 See All Example Sentences for unflappable
Recent Examples of Synonyms for unflappable
  1. nonchalant
  2. calm
  3. imperturbable
  4. serene
  5. unshakable
  6. composed
  7. nerveless
Adjective
  • After William and Kate were so nonchalant, staff turned to historical clippings about how to proceed, according to Myers.
    — Rachel Burchfield, InStyle, 22 July 2026
  • The nonchalant stadium style Victoria Beckham embraced while rooting for England’s national team was at times an attraction in itself.
    — Rosemary Feitelberg, Footwear News, 19 July 2026
Definition of nonchalant
Adjective
  • With the support of Fernandez, Ellis found a sports psychologist who provided her with ways to maintain a calm headspace and positive outlook, even through a UCL injury in her thumb that arose just four games into this year’s campaign.
    — Molly Keshin, New York Times, 25 July 2026
  • If only Israel and its American supporters would let Hamas and other genocidal, antisemitic groups do their thing, there’d be peace and calm.
    — Voice of the People, New York Daily News, 25 July 2026
Definition of calm
Adjective
  • The imperturbable New York rapper is back behind the boards for a lean, mean new album with endless quotables and only one guest.
    — Dylan Green, Pitchfork, 28 Jan. 2026
  • But the Brits love to check an American’s imperturbable optimism.
    — Rafaela Bassili, Vulture, 3 Dec. 2025
Definition of imperturbable
Adjective
  • Most of the Barbados hotels worth their salt are peppered along the Platinum Coast (on the west side), where the water is calm and the beaches serene.
    — Jonnie Bayfield, Condé Nast Traveler, 19 July 2026
  • On-site lodging includes 10 cabins and 60 campsites, offering a serene nature retreat.
    — Korrin Bishop, Southern Living, 18 July 2026
Definition of serene
Adjective
  • No one expected Joint to suddenly start serving like Williams or possess her unshakable self-confidence.
    — Charlie Eccleshare, New York Times, 30 June 2026
  • Ten films and four Toy Story sequels later, his joyful tunes have left an unshakable legacy at Disney.
    — Brenton Blanchet, PEOPLE, 19 June 2026
Definition of unshakable
Adjective
  • Replacement Ryunosuke Ito, plucked from Meiji University, had a composed debut, including laying on a try for Matsunaga, who was five for five off the tee.
    — ABC News, ABC News, 4 July 2026
  • After opening the 2026 FIFA World Cup with a dominant 4-1 win over Paraguay in Los Angeles, the United States followed it with a composed 2-0 victory over Australia in Seattle.
    — Jon Root OutKick, FOXNews.com, 20 June 2026
Definition of composed
Adjective
  • Ismael Saibari — Morocco/Bayern Munich (+1) Marked his first match since leaving PSV for Bayern Munich by sending the Netherlands home with a nerveless penalty to win the shootout.
    — Liam Twomey, New York Times, 4 July 2026
  • As did the nerveless manner in which the striker — who turns 38 in March — sent goalkeeper Harry Tyrer the wrong way from the spot to clinch another three points.
    — Richard Sutcliffe, The Athletic, 9 Jan. 2025
Definition of nerveless

Browse Nearby Words

unflamboyant
unflappable
unflashy
See all Nearby Words

Cite this Entry

“Unflappable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unflappable. Accessed 26 Jul. 2026.

Copy Citation

More from Merriam-Webster on unflappable

Nglish: Translation of unflappable for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of aerie

See Definitions and Examples »

Popular in Grammar & Usage

See More

Democracy or Republic: What's the difference?

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 24

Why do we say 'fly off the handle'?
See More

Popular

See More

Democracy or Republic: What's the difference?

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
chain-question-mark
Missing Link Quiz July 2026 Five seconds to figure out the word that fits bot...
See All