Synonyms of improvised

improvised 1 of 2

adjective

as in impromptu

made or done without previous thought or preparation

stumbled through an improvised reply to an unexpected question at the press conference

Synonyms & Similar Words

• impromptu
• improvisational
• unrehearsed
• extemporaneous
• spur-of-the-moment
• unprepared
• extemporary
• unplanned
• extempore
• unstudied
• unauthorized
• ad hoc
• unpremeditated
• spontaneous
• informal
• off-the-cuff
• unconsidered
• offhand
• snap
• ad-lib
• offhanded
• automatic
• down and dirty
• unscripted
• instinctive
• impulsive
• involuntary
• cursive
• casual
• ill-advised
• half-baked
• half-cocked

Antonyms & Near Antonyms

• prepared
• rehearsed
• planned
• premeditated
• considered
• intended
• deliberate
• intentional
• premeditative

improvised

2 of 2

verb

past tense of improvise

as in devised

to perform, make, or do without preparation

since the award was a complete surprise, I improvised an acceptance speech

Synonyms & Similar Words

• devised
• concocted
• extemporized
• faked
• ad-libbed
• manufactured
• clapped (together or up)
• invented
• hatched
• thought (up)
• contrived
• cooked (up)
• fabricated
• dashed (off)
• made up
• cobbled (together or up)

Antonyms & Near Antonyms

• prepared
• arranged
• laid
• considered
• studied
• contemplated
• readied
• practiced
• exercised
• pondered
• rehearsed

Example Sentences

Recent Examples of improvised

Adjective

Stiff was a record company that was founded on about 1,000 pounds and everything was done in an improvised fashion, including what order the songs came out from different artists. — Chris Willman, Variety, 8 Oct. 2026

The piece contends that the threat warrants advance legal planning rather than reliance on improvised responses after a disruption occurs. — Los Angeles Times, 27 Sep. 2026

Comedian TaTa Sherise headlines 50 Worst Dates, an improvised comedy series, while Broadway veterans Kristine Covillo and Ben Davis star in ReelArc’s psychological thriller Zero Point. — Max Goldbart, Deadline, 23 Sep. 2026

The 1986 film Frauenträume (Women’s Dreams), for instance, includes flight experiments on rooftops, love acts with an improvised rocket, and the emergence of a third breast at the center of a torso. — Elisa R. Linn, Artforum, 1 Sep. 2026

That's enough to loosen steep slopes where some of the 210,000 islanders live off the grid in improvised housing. — ABC News, 16 Aug. 2026

The idea of full abolition—beloved by both leaders but not part of the Reykjavik agenda—was an improvised moment, almost an accident, and not some premeditated masterstroke (as the movie implies) by Reagan. — Tom Nichols, The Atlantic, 14 Aug. 2026

It is supposed to almost feel improvised and documentary-like. — Sophie Monks Kaufman, IndieWire, 12 Aug. 2026

Likewise, the respite afforded by the twin hydration breaks has also reduced the need for improvised periods of gentlemanly repose, which in turn has lessened the demand for the chilly spray. — Anthony Crupi, Sportico.com, 17 July 2026

Verb

Marina Warner Possessed of Alchemystic Powers Ithell Colquhoun improvised with Surrealist and occult divinatory techniques in her paintings, and also in her writing—and in this lies her true originality. — Conor Heffernan, The New York Review of Books, 3 Oct. 2026

Fans who didn’t have one of those improvised by using their phone lights to join in. — Natalia Cano, Billboard, 26 Sep. 2026

After that kitchen scene, his character heads to work but slips in the driveway, which McDonald said was completely improvised. — Meredith Wilshere, PEOPLE, 19 Sep. 2026

The family and courts then improvised around evidentiary power that nobody had planned for. — Jihun Joun, The Conversation, 17 Sep. 2026

The people who had improvised their way through 2016 had a playbook by 2020. — Théoden Janes, Charlotte Observer, 17 Sep. 2026

And props are improvised so that pool noodles are used for jousting and an earbud case serves as an engagement ring. — Theater Critic, Los Angeles Times, 5 Sep. 2026

Sharing the bill was David Rothenberg, a professor and a jazz musician who has improvised with collaborators including leafhoppers and humpback whales. — Sarah Larson, New Yorker, 31 Aug. 2026

The crew also improvised wedding attire and accessories using items from the plane. — Kelly McGreal, FOXNews.com, 25 Aug. 2026