AD-LIB Synonyms: 81 Similar and Opposite Words

ad-lib 1 of 3

adjective

Definition of ad-lib next

as in impromptu

made or done without previous thought or preparation not bad for an ad-lib comedy routine

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ad-lib

2 of 3

noun

as in improvisation

something that is performed, made, or done without preparation you would never suspect that that stirring speech was an ad-lib

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ad-lib

3 of 3

verb

ˈad-ˈlib

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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of ad-lib

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

Instead of choosing one, Haze turned the process into an impromptu auction, asking buyers to bid against each other in $100,000 increments.

— Bloomberg, Mercury News, 27 May 2026
His father, a volcano-curious engineer, drove him to the airport, where the elder Einarsson had convinced an airline pilot to take an impromptu flight over the new volcano.

— Quanta Magazine, Quanta Magazine, 26 May 2026