UNFLAPPABLE Synonyms: 45 Similar and Opposite Words

unflappable

adjective

ˌən-ˈfla-pə-bəl

Definition of unflappable

as in nonchalant

not easily panicked or upset the unflappable teacher never even blinked when the wall map came crashing down

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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 In this novel Amis is as unflappable as ever, and his dry humour and the dark undertone of the novel are exactly my taste. — Literary Hub, 2 Sep. 2026 Behind them, manning the decks, was Margo XS, unflappable in her wraparound shades. — Walden Green, Pitchfork, 30 July 2026 Why The Executive Playbook Has To Change The typical model for high-achieving leaders is to out-suffer everyone else in the room, appear unflappable, stay silent on struggles, and be the first one in and last one out. — Julian Hayes Ii, Forbes.com, 25 July 2026 One night at the tables, Pughsley met a man named Tommy Hunt, who seemed unflappable no matter the size of the pot. — Keith O’Brien, New Yorker, 25 June 2026 See All Example Sentences for unflappable

Recent Examples of Synonyms for unflappable

Adjective

Then Gurov takes that famous bite of watermelon, a metaphor for what has just happened and his nonchalant reaction to it.

— Literary Hub, Literary Hub, 4 Sep. 2026
Zizou Bergs Zizou Bergs served nonchalant-cool boy vibes upon his arrival to New York City for the US Open, rocking an oversized charcoal graphic tee from Golden Goose paired with voluminous black trousers and his personalized Golden Goose shoes.

— Skyler Caruso, PEOPLE, 2 Sep. 2026

Definition of nonchalant

Adjective

Patience is the ability to remain calm and accept delays, difficulties, or annoyance without complaining or becoming angry.

— Arkansas Online, Arkansas Online, 19 Sep. 2026
Rooms The 275 rooms here are a calm and cool retreat from Miami’s loud and frenetic downtown.

— Condé Nast, Condé Nast Traveler, 18 Sep. 2026

Definition of calm

Adjective

The Shark Tank judge, 64, and the former Dancing with the Stars pro, 50, offered a look inside their serene lakeside abode in Muskoka, located about two hours north of Toronto, during a recent tour with Homeworthy.

— Natalia Senanayake, PEOPLE, 16 Sep. 2026
Few tourist vessels access this serene village, and Windstar’s ships are often the only ones in port.

— Condé Nast Traveler, Condé Nast Traveler, 10 Sep. 2026

Definition of serene

Adjective

An unshakable moat The industrial gas ecosystem is driven by broad secular trends, including the reshoring of manufacturing, advanced semiconductor nodes and carbon capture infrastructure.

— Harvey Stober, CNBC, 15 Sep. 2026
The book’s post-apocalyptic setting ennobles its meditations on selfhood and finitude; the narrator’s search for perpetuity is lent an unshakable gravity by her circumstances.

— Katy Waldman, New Yorker, 3 Aug. 2026

Definition of unshakable

Adjective

Each component is prepared separately, allowing the individual flavors and textures to shine before coming together in a balanced, composed bowl.

— Lynda Balslev, Mercury News, 8 Sep. 2026
Wrexham’s more direct approach, particularly when defenders Cleworth and Callum Doyle were picking out wing-backs Danny Imray and Ryan Longman with raking 50-yard deliveries, would have paid dividends with more composed finishing.

— Richard Sutcliffe, New York Times, 6 Sep. 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

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“Unflappable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unflappable. Accessed 21 Sep. 2026.

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Synonyms of unflappable

adjective

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