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
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
Staff Author, InStyle, 7 Mar. 2026
Canadarm was used for spacewalking, several Hubble Space Telescope missions and some impromptu maneuvers such as knocking an ice plug off a frozen shuttle drain line, according to NASA.
—Mike Wall, Space.com, 6 Mar. 2026
Inevitably there will be impromptu photo shoots next to the most photographed work in LACMA’s collection, Urban Light, the series of street lamps that acts as catnip to tourists and influencers.
—Nate Freeman, Vanity Fair, 6 Mar. 2026
Belfer, a single father to 5-year-old Henri and a goldendoodle named Grover, also messages the group to arrange impromptu playdates for his son.
—Sara Lieberman, Curbed, 4 Mar. 2026
See All Example Sentences for impromptu
Adjective
During an outing with Kennedy's family at a rowdy pub, the pair snuck away for an impromptu date.
—Staff Author, InStyle, 7 Mar. 2026
Canadarm was used for spacewalking, several Hubble Space Telescope missions and some impromptu maneuvers such as knocking an ice plug off a frozen shuttle drain line, according to NASA.
—Mike Wall, Space.com, 6 Mar. 2026
Inevitably there will be impromptu photo shoots next to the most photographed work in LACMA’s collection, Urban Light, the series of street lamps that acts as catnip to tourists and influencers.
—Nate Freeman, Vanity Fair, 6 Mar. 2026
Belfer, a single father to 5-year-old Henri and a goldendoodle named Grover, also messages the group to arrange impromptu playdates for his son.
—Sara Lieberman, Curbed, 4 Mar. 2026
See All Example Sentences for impromptu
Recent Examples of Synonyms for impromptu
Adjective
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That reaction — genuine, visceral enjoyment from someone who evaluates food professionally — is about as strong an endorsement as an improvised pita sandwich can get.—
Ryan Brennan,
Kansas City Star,
4 Mar. 2026
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And four years after Russia's full-scale invasion of Ukraine, a look at the many obstacles to peace and how Ukraine has pioneered a scrappy, improvised way of fighting, built around inexpensive drones.—
February 26,
NPR,
26 Feb. 2026
Noun
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What plucks at the heartstrings with its Herb Alpert studio melancholy sounds a little fried here, the song’s plaintive, tentative charm buried under thrashing improvisation.—
Linnie Greene,
Pitchfork,
6 Mar. 2026
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Narciso does as well, sewing the dress on Carolyn’s body in improvisation.—
Rafaela Bassili,
Vulture,
6 Mar. 2026
Adverb
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In the midst of the mystery of the spontaneously cracking stepping stones the dishwasher decided to quit.—
Caleb Harris,
Austin American Statesman,
11 Mar. 2026
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Inside the cop car, Balat spontaneously offered an explanation for his actions, the feds say.—
Molly Crane-Newman,
New York Daily News,
9 Mar. 2026
Adjective
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The class is led by improv comedian and educator Amanda Lee Williams, who uses improvisational theater techniques to help future caregivers communicate more effectively with people living with dementia.—
Brian Unger,
CBS News,
5 Mar. 2026
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Their collaborative debut has improvisational spirit and real feeling.—
Marcus J. Moore,
Pitchfork,
5 Mar. 2026
Adverb
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After losing half of the original roster to trades and a few more bodies to injury, this haphazardly assembled roster is not comfortable playing together.—
Julia Poe,
Chicago Tribune,
2 Mar. 2026
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Typically, fractures are fault lines that propagate haphazardly under stress and spread through inert materials, such as ice, rock, or concrete.—
Clare Watson,
Quanta Magazine,
27 Feb. 2026
Adverb
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The charter also embraced a mission as the neighborhood school — automatically accepting all who showed up at its doors.—
Howard Blume,
Los Angeles Times,
11 Mar. 2026
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Avride also said the robots are designed with privacy protections as cameras will automatically blur faces and license plates.—
Frederick Sutton Sinclair,
CBS News,
10 Mar. 2026
Adverb
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The programming shapes a unique, electromagnetic wave that rises and falls abruptly and pulses rapidly.—
Scott Pelley,
CBS News,
8 Mar. 2026
-
About two weeks earlier, the use of a military laser system by CBP designed to disrupt drones near El Paso prompted the FAA to abruptly shut down a large swath of airspace up to 18,000 feet over the city for 10 days.—
Aaron Cooper,
CNN Money,
6 Mar. 2026
Cite this Entry
“Impromptu.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impromptu. Accessed 14 Mar. 2026.
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