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

Carlos Montenegro California Department of Corrections and Rehabilitation Prison officials did not provided details on the circumstances of the attack but said two improvised weapons were found at the scene. — Senior Editor, CBS News, 28 Oct. 2026

Prison staff discovered two improvised weapons at the scene, according to CDCR. — Daniel Lempres, Sacbee.com, 27 Oct. 2026

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

Verb

The dialogue was largely improvised based on a loose plot summary posted behind the stage for the performers to refer to. — Christopher Arnott, Hartford Courant, 8 Nov. 2026

Mines dropped from drones lie everywhere, some petal-shaped, others improvised and wrapped in foil or plastic, so every step must be taken with care. — ABC News, 2 Nov. 2026

None of them decided what was worth going after, recognized which opening justified the risk, or improvised when a target behaved in a way no playbook anticipated. — Jay Kaplan, Fortune, 27 Oct. 2026

The story, conceived by Ari Gold, is improvised by the director’s own family and friends — including his real father – and Ethan Gold’s songs are performed live on camera as the night unfolds. — Anthony D'alessandro, Deadline, 26 Oct. 2026

When it’s truly improvised, the camera is often focused on only one person for an entire pass of a conversation. — Chris Gardner, HollywoodReporter, 15 Oct. 2026

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