as in impromptu
made or done without previous thought or preparation
not bad for an ad-lib comedy routine
Synonyms & Similar Words
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Antonyms & Near Antonyms
as in improvisation
something that is performed, made, or done without preparation
you would never suspect that that stirring speech was an ad-lib
Synonyms & Similar Words
Antonyms & Near Antonyms
as in to improvise
to perform, make, or do without preparation
had to ad-lib constructing a piñata because she'd never actually seen it being done
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of ad-lib
Sabrina Park, Harper's BAZAAR, 15 Mar. 2023
Ryan Gajewski, HollywoodReporter, 11 Feb. 2026
The ad-lib dramatically changed the scene from how Trier and Vogt had written it.
—Shirley Li, The Atlantic, 5 Jan. 2026
Puzzled, Aggie climbs the stairs and — as Nile continues to ad-lib — finds Teddy, dead, suffocated with a bag, in Cooper’s room, which is decked out to match the live feed.
—Rafaela Bassili, Vulture, 14 Nov. 2025
Recently, Chance The Rapper told DJ Bootleg Kev about Mac playing a vital role in one of his most famous ad-libs, noting that the moment occurred during an LA recording session with Chuck Inglish.
—Andre Gee, Rolling Stone, 24 Oct. 2025
Urban often ad-libs comments when performing the song live.
—Emily Blackwood, PEOPLE, 2 Oct. 2025
Between the ad-libs to start the cut and rapping over drill 808s mixed with Jersey club, Cardi appears to be taking a page out of the Ice Spice playbook.
—Michael Saponara, Billboard, 24 Sep. 2025
Being able to ad-lib was such a steep learning curve for me.
—Patrick Saunders, Denver Post, 6 Apr. 2025
Adjective
At the same time, more ad-lib moments are often expected onstage, bound to keep viewers on the edge of their seats.
—Sabrina Park, Harper's BAZAAR, 15 Mar. 2023
Verb
They were encouraged to ad-lib in character as Guest collected more than 60 hours of footage before taking a year to whittle it down to 84 minutes.
—Ryan Gajewski, HollywoodReporter, 11 Feb. 2026
The ad-lib dramatically changed the scene from how Trier and Vogt had written it.
—Shirley Li, The Atlantic, 5 Jan. 2026
Puzzled, Aggie climbs the stairs and — as Nile continues to ad-lib — finds Teddy, dead, suffocated with a bag, in Cooper’s room, which is decked out to match the live feed.
—Rafaela Bassili, Vulture, 14 Nov. 2025
Recently, Chance The Rapper told DJ Bootleg Kev about Mac playing a vital role in one of his most famous ad-libs, noting that the moment occurred during an LA recording session with Chuck Inglish.
—Andre Gee, Rolling Stone, 24 Oct. 2025
Urban often ad-libs comments when performing the song live.
—Emily Blackwood, PEOPLE, 2 Oct. 2025
Between the ad-libs to start the cut and rapping over drill 808s mixed with Jersey club, Cardi appears to be taking a page out of the Ice Spice playbook.
—Michael Saponara, Billboard, 24 Sep. 2025
Being able to ad-lib was such a steep learning curve for me.
—Patrick Saunders, Denver Post, 6 Apr. 2025
Recent Examples of Synonyms for ad-lib
Adjective
-
But in a city like New York, where many apartments aren’t conducive to hosting on a big scale and an impromptu dinner is anything that gets scheduled less than two months in advance, cultivating Ramadan spirit takes a lot of effort.—
Sarah Khan,
Vogue,
10 Mar. 2026
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The responses turned Deschanel’s negative review into something of an impromptu audition for bakeries eager to win her over.—
Ryan Brennan,
Miami Herald,
9 Mar. 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
-
Narciso does as well, sewing the dress on Carolyn’s body in improvisation.—
Rafaela Bassili,
Vulture,
6 Mar. 2026
Verb
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One kind and patient spectator conscripted to play the school counselor had to remove her shoe to improvise a sock puppet, one of the tools of her empathetic practice.—
Theater Critic,
Los Angeles Times,
13 Mar. 2026
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The director was also asked about his famous ability to improvise his shots on the fly.—
James Hibberd,
HollywoodReporter,
13 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
Verb
-
Last week, the council voted 9–6 to direct the city manager to study moving its emergency operations, dispatch and service call center out of City Hall while devising funding plans for repairing the aging building, staying there and relocating.—
Devyani Chhetri,
Dallas Morning News,
9 Mar. 2026
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While Green gave him instant advice, Kerr was devising ways to get Porzingis involved.—
Joseph Dycus,
Mercury News,
8 Mar. 2026
Adjective
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Instead, the images shown feature girls and women, all non-actresses, caught in private moments inside their homes and in ordinary life, mixed with improvised scenes in a school, as well as landscape and observational scenes.—
Georg Szalai,
HollywoodReporter,
11 Mar. 2026
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The bomb, an improvised explosive device (IED), went off Sunday and damaged the entrance to the embassy's consular section.—
Louis Casiano,
FOXNews.com,
11 Mar. 2026
Verb
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As Gyllenhaal begins concocting her third directorial feature, could Curtis be part of the picture?—
Antonio Ferme,
Variety,
6 Mar. 2026
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Gyllenhaal, who also wrote her film, has corrected the imbalance, refashioning the story from the Bride’s perspective and concocting a protagonist of unfiltered feminist fury.—
ABC News,
ABC News,
4 Mar. 2026
Verb
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The future, instead, seems to belong to the teams and coaches who are willing to be a little more flexible and see their role as providing a platform on which their players might extemporize.—
Rory Smith,
New York Times,
3 Mar. 2023
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Friends said he was talented and could extemporize about anything.—
Jacques Kelly,
Baltimore Sun,
24 Jan. 2023
Cite this Entry
“Ad-lib.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ad-lib. Accessed 17 Mar. 2026.
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