IMPROMPTU Synonyms: 89 Similar and Opposite Words

impromptu 1 of 3

adjective

im-ˈpräm(p)-(ˌ)tü

Definition of impromptu

as in improvised

made or done without previous thought or preparation our dinner guest thanked us with an impromptu song

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Antonyms & Near Antonyms

impromptu

2 of 3

noun

as in improvisation

something that is performed, made, or done without preparation although five different lines had been written, the best choice turned out to be an impromptu from the tired actor himself

Synonyms & Similar Words

Antonyms & Near Antonyms

impromptu

3 of 3

adverb

as in spontaneously

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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 impromptu

Adjective

Harley walked into an impromptu interview to become the Huskies interim coach, and less than 48 hours later, NIU announced Hammock’s resignation and Harley’s promotion. — Colleen Kane, Chicago Tribune, 28 Aug. 2026 Segovia, a percussionist, has always filled his home with music – playing impromptu concerts for the neighborhood out of open garage doors or inviting friends and fellow musicians over to jam. — Marissa J. Lang, NPR, 28 Aug. 2026 Citizen scientists and family mingled with friends and locals as an impromptu block party got underway in Valoria la Buena. — Anthony Wood, Space.com, 26 Aug. 2026 Tuesday, Big Ten ADs approved an impromptu rule banning any athlete who has signed an NFL contract from playing for a Big Ten school. — Stewart Mandel, New York Times, 25 Aug. 2026 See All Example Sentences for impromptu

Recent Examples of Synonyms for impromptu

Adjective

That's enough to loosen steep slopes where some of the 210,000 islanders live off the grid in improvised housing.

— ABC News, ABC News, 16 Aug. 2026
Forecasters warn that up to 25 inches of rain and powerful winds could trigger life-threatening flooding, mudslides and even wildfires, especially in remote communities where many residents live off the grid in improvised housing.

— Jennifer Sinco Kelleher, Los Angeles Times, 15 Aug. 2026

Definition of improvised

Noun

Five-piece bluegrass and jam band combines banjo, mandolin and dobro with improvisation and rock ‘n’ roll attitude.

— Patrick Connolly, The Orlando Sentinel, 31 Aug. 2026
As Musashi scrambles through a school of Samurai, the game seamlessly bounces between skillful swordplay, rowdy improvisation, and Looney Tunes-style levity.

— Zackery Cuevas, PC Magazine, 31 Aug. 2026

Definition of improvisation

Adverb

In the trailer, Reinhart‘s Olive is shown spontaneously kissing Bateman‘s Adam — a notable Easter egg to the book cover of Hazelwood‘s bestseller — so her best friend Anh can see them.

— Lexy Perez, HollywoodReporter, 26 Aug. 2026
Panettiere’s Claire, a high-school cheerleader who could spontaneously regenerate, was an immediate fan favorite.

— Emily Zemler, Rolling Stone, 26 Aug. 2026

Definition of spontaneously

Adjective

Fans of the popular comedy podcast were greeted with a generic British woman’s voice stating the episode number today instead of Watts’ improvisational beatboxing riff that served as the show’s intro since 2011.

— Cheyenne Roundtree, Rolling Stone, 24 Aug. 2026
The interactivity and reliance on improvisational actors limits audience size to around seven people at a time, Lyons said.

— David Bloom, Forbes.com, 22 Aug. 2026

Definition of improvisational

Adverb

But while the buildings appeared to be marble, they were actually made of extremely flammable plaster, pine, hemp and jute — all haphazardly draped with live electrical wires.

— Alison J. Stein, HubSpot, 1 Sep. 2026
The fourth hour began haphazardly as the Today With Jenna & Sheinelle camera operator tripped over a chair during their intro segment.

— Leigh Blickley, Entertainment Weekly, 28 Aug. 2026

Definition of haphazardly

Adverb

Leaders can maintain alumni relationships, make re-entry culturally acceptable and ensure hiring processes do not automatically treat departure as disloyalty.

— Sheila Callaham, Forbes.com, 29 Aug. 2026
Some common laser problems can already be corrected automatically.

— Rupendra Brahambhatt, Interesting Engineering, 29 Aug. 2026

Definition of automatically

Adverb

Another shock to the neighborhood came in May, when Caputo’s Bake Shop, a Court Street landmark for 124 years, abruptly shut down.

— Rachel Corbett, Curbed, 31 Aug. 2026
This is one family’s experience of their last year in Connecticut after major hospitals abruptly ended gender-affirming medical care for trans youth.

— Dr. SJ Job, Hartford Courant, 31 Aug. 2026

Definition of abruptly

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improbably

impromptu

impromptus

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“Impromptu.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impromptu. Accessed 6 Sep. 2026.

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Synonyms of impromptu

adjective

noun

adverb

Example Sentences

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