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

Kruz and Josie catch the guy’s eye on the dance floor and invite him to join their impromptu grinding session, which is also when Joe catches the pair touching in a way that suggests relationship-level familiarity. — Andy Andersen, Vulture, 23 Aug. 2026 The frequent gatherings are often impromptu affairs, sometimes with a singular ingredient sparking the idea. — Kate McGregor, Architectural Digest, 21 Aug. 2026 An impromptu survey on Wednesday afternoon found more mixed results. — Brittney Ermon, CBS News, 20 Aug. 2026 During a recent visit to the Philippines, Rex surprised commuters with an impromptu performance aboard a train, turning an ordinary ride into an unexpected mini-concert. — Spin Staff, SPIN, 19 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

Reich wanted to build an offense that had room for improvisation, especially for someone like Wilson.

— Zack Rosenblatt, New York Times, 26 Aug. 2026
But, just like any live theatrical event, even their best attempts at pre-planning were no match for reality and a lot of improvisation had to be done on the spot.

— Whitney Friedlander, Variety, 22 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

Most of my clients are letting their employees haphazardly take advantage of these things as the individually see fit.

— Gene Marks, Forbes.com, 23 Aug. 2026
Her soft face in sleep, her loud banging of cabinets, her socks tossed haphazardly behind doors and under shelves.

— Literary Hub, Literary Hub, 18 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 1 Sep. 2026.

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Synonyms of impromptu

adjective

noun

adverb

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