as in improvised
made or done without previous thought or preparation
our dinner guest thanked us with an impromptu song
Synonyms & Similar Words
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Antonyms & Near Antonyms
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
as in spontaneously
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Example Sentences
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Recent Examples of impromptu
CBS News, 4 Jan. 2026
Late Thursday, mourners left candles and flowers in an impromptu memorial near the bar.
—Jamey Keaten, Los Angeles Times, 2 Jan. 2026
Take Them On The Go Throw an old blanket in the car for impromptu picnics, outdoor concerts, or beach days.
—Karen Brewer Grossman, Southern Living, 2 Jan. 2026
These hybrids, even when idiosyncratic and unstable, are in no way equivalent to ideological innocence, any more than a new fusionist recipe isn’t food or an impromptu genre-bending song isn’t music.
—Jason Blakely, Harpers Magazine, 30 Dec. 2025
See All Example Sentences for impromptu
Adjective
That's part of the reason why Bain giving a short, impromptu and unexpected halftime speech to teammates during of Miami's win over Ohio State in a College Football Playoff quarterfinal at the Cotton Bowl last week was a moment that went viral.
—Recent Examples of Synonyms for impromptu
Adjective
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Mochrie then performs an improvised comedy act with the semi-conscious volunteers.—
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This writing had an intimate, improvised feel and often took a looser approach to craft; much of it was written with performance in mind.—
Noun
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Honestly, stop-motion is such a rigorous process, so ill-suited for improvisation.—
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Classes include improvisation, vocal, dance and production.—
Adverb
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Over 280 tourism boards across mainland China, from Beijing to Guizhou to Zhejiang, have spontaneously paired the track as a soundtrack with local landmarks and cityscapes for videos, triggering a viral relay across short-video platforms.—
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However, unlike diesel, liquid methanol does not ignite spontaneously in the high heat environment of a diesel engine.—
Adjective
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Their fans, known as Deadheads, would tour along from city to city and revel in the constantly changing set lists, extended soloing and improvisational jamming that gave each show a unique flavor.—
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Their music — called acid rock at its inception — would pull in blues, jazz, country, folk and psychedelia in long improvisational jams at their concerts.—
Adverb
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But it shouldn't be invested in haphazardly, either.—
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Piles of unopened mail, receipts, and miscellaneous—yet important—items like your house or car keys should not be left strewn across countertops, especially haphazardly.—
Adverb
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This results page was generated automatically using information from TinBu and a template written and reviewed by an Indiana editor.—
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This results page was generated automatically using information from TinBu and a template written and reviewed by a Rhode Island editor.—
Adverb
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When the building abruptly closed this spring, with tenants initially given just 48 hours to vacate, Hartquist hopped across the skyway to the Town Square building.—
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Meanwhile, Tommy travels to Louisiana for a launch party marking the start of M-Tex’s offshore drilling project — but the celebration quickly unravels when Cami (Demi Moore) abruptly cuts ties with him.—
Cite this Entry
“Impromptu.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impromptu. Accessed 13 Jan. 2026.
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