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
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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
-
The Giants first hosted Beckham for a workout April 20, after weeks of public flirting and an impromptu visit by the receiver to chat with Harbaugh at the NFL owners meetings in Phoenix.—
Dan Duggan,
New York Times,
2 June 2026
-
Near the end of the night, several students reportedly made an impromptu decision to swim in the river near Dartmouth's student docks.—
Corin Cesaric,
PEOPLE,
2 June 2026
Noun
-
Autonomous fleets need the same clarity, delivered through systems rather than improvisation.—
David Roberts,
Forbes.com,
1 June 2026
-
Analysts today describe an institution constrained by shortages of fuel and spare parts and increasingly dependent on domestic improvisation — modifying, repurposing and cannibalizing older systems to keep them operational.—
Antonio María Delgado,
Miami Herald,
28 May 2026
Verb
-
In a command center down on Earth, rows of engineers scramble to improvise a solution.—
Angie Han,
HollywoodReporter,
28 May 2026
-
The next generation does not need to improvise.—
Shreyans Mehta,
Forbes.com,
28 May 2026
Adjective
-
Over two minutes, a spectrum of Black improvisational styles battle on what feels like a Red Planet, interspersed with video game chirps and tectonic-shifting airblasts that cool the magma cooked up during combat, each one building off the other’s energy.—
Tatiana Lee Rodriguez,
Pitchfork,
1 June 2026
-
Shange describes the night as having been both improvisational and in process for years.—
Literary Hub,
Literary Hub,
29 May 2026
Verb
-
The commonly mistaken base assumption is that the greatest minds that have devised AI and consumed so much money doing so must certainly know every iota of how AI works.—
Lance Eliot,
Forbes.com,
1 June 2026
-
Building on a concept devised by the director and producer Pierre-Henri Léon, Santiago Otheguy’s script plays fast and loose with Bizet’s opera and the Prosper Mérimée novella that inspired it — to the point of inventing an entirely new protagonist.—
Guy Lodge,
Variety,
31 May 2026
Adjective
-
Yet the idea of an improvised solo as a story to tell, and of the melody as the vehicle for that story, was a constant in his music.—
Don Heckman,
Los Angeles Times,
26 May 2026
-
Now, those nightly improvised tangents have become one of the production's most beloved elements.—
Dave Quinn,
PEOPLE,
26 May 2026
Verb
-
Lukehart dumped Gabrielle's body in a local pond and concocted a story to trick police, court records show.—
Amanda Lee Myers,
USA Today,
1 June 2026
-
With the trend away from toxic chemical control of plant pests and diseases, treatment formulas concocted from benign household products are on the rise.—
Joshua Siskin,
Oc Register,
28 May 2026
Verb
-
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
-
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 5 Jun. 2026.
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