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

With no clear guidance, haphazard and improvised efforts by companies to clean the homes left 6 in 10 residences still unsafe. — Noah Haggerty, Los Angeles Times, 15 Sep. 2026

As Yusuf helps Abu Khalil with his historical reenactment and builds his public profile through social media, the three become an improvised family. — Ed Meza, Variety, 14 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

Outside hospitals, temporary shelters and improvised morgues, relatives continue posting photographs and names of missing family members on social media, hoping someone might recognize them or provide information about their fate. — Antonio María Delgado, Miami Herald, 4 July 2026

Verb

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

Caught unprepared for chemical warfare and lacking standard-issue gas masks, Allied soldiers improvised by covering their mouths and noses with handkerchiefs or pieces of cloth drenched in water or urine. — Encyclopedia Britannica, 19 Aug. 2026

A lot of what’s in the film between Cameron and Tova, between Lewis and me, is improvised. — Antonia Blyth, Deadline, 18 Aug. 2026

Disaster recovery finally becomes a real program For decades, the federal government’s response to providing long-term rebuilding funds in the wake of a disaster has been improvised. — Max Klaver, Miami Herald, 6 Aug. 2026