ad-lib 1 of 3

adjective

Definition of ad-libnext
as in impromptu
made or done without previous thought or preparation not bad for an ad-lib comedy routine

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Antonyms & Near Antonyms

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 How to pronounce ad-lib (audio)
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
Ritchie’s process Multiple Gentlemen cast members have talked about Ritchie’s on-set process, which often calls on actors to learn new versions of scripts in the moment, or ad-lib to improve a scene. — Jesse Whittock, Deadline, 3 Sep. 2026 But that moment, that is an ad-lib because the line was [supposed to be] very calm. — Mikey O'Connell, HollywoodReporter, 13 Aug. 2026
Verb
As seen in a video clip uploaded to the official Oscars YouTube channel, his ad-lib received applause from the audience in the room, but the Academy ultimately excluded the Chicago actor from presenting at the ceremony for several years. — Christopher Rudolph, PEOPLE, 6 Dec. 2025 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 See All Example Sentences for ad-lib
Recent Examples of Synonyms for ad-lib
  1. impromptu
  2. improvisation
  3. improvise
  4. improvisational
  5. devise
  6. improvised
  7. concoct
  8. extemporize
Adjective
  • Those who couldn’t wait to give their new treats a taste formed impromptu picnics.
    — Laina Gustafson, Christian Science Monitor, 21 Oct. 2026
  • In an exclusive interview with People published Wednesday, Schumer recalled attending an impromptu wedding celebration after discovering a ceremony taking place on the beach near her family's accommodations.
    — Danielle Minnetian, FOXNews.com, 20 Oct. 2026
Definition of impromptu
Noun
  • Shifting between precision and improvisation, each rhythmic mark registers its own time signature.
    — Tara Anne Dalbow, Los Angeles Times, 21 Oct. 2026
  • The film was shot in six days on an iPhone through improvisation.
    — Brent Lang, IndieWire, 21 Oct. 2026
Definition of improvisation
Verb
  • Governors and county boards are improvising, from moratoriums to new permitting rules, because Washington has no framework, even as the industry asks for one.
    — Neil Chatterjee, Fortune, 23 Oct. 2026
  • Faux freckles grew into a beauty trend as freckles shifted from a feature often concealed to one people deliberately recreate, often improvising with everyday makeup like brow pencils and eyeliner before dedicated products arrived.
    — Ashley Lynch, Miami Herald, 21 Oct. 2026
Definition of improvise
Adjective
  • The New Stanford Prison Experiment, Netflix’s take on a project that was always more convincing as improvisational theater than as scientific research, isn’t even television’s first crack at Zimbardo’s study.
    — Judy Berman, Time, 21 Oct. 2026
  • These findings suggest that the audience for conversations about the soul is not shrinking, but shifting away from organized religion and toward more personal, improvisational forms of seeking.
    — Literary Hub, Literary Hub, 5 Oct. 2026
Definition of improvisational
Verb
  • Over the following weeks, the group of roughly 15 people spoke almost daily to trace the vulnerabilities to their common source and devise a fix.
    — Harry Booth, Time, 23 Oct. 2026
  • With her knack for devising novel solutions to seemingly insoluble problems, no one was better suited for the job.
    — Dean Robbins, Space.com, 18 Oct. 2026
Definition of devise
Adjective
  • 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, Los Angeles Times, 27 Sep. 2026
Definition of improvised
Verb
  • Yaga concocts one entertainingly heady brew, thanks to its beguiling mood and fearless cast.
    — Angie Han, HollywoodReporter, 20 Oct. 2026
  • He was cleared of that, but then fell out with a friend who had helped concoct his alibi in the libel case, and was charged with perjury.
    — The Week UK, TheWeek, 17 Oct. 2026
Definition of concoct
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
Definition of extemporize

Browse Nearby Words

adjuvant
ad-lib
ad-libbed
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Cite this Entry

“Ad-lib.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ad-lib. Accessed 26 Oct. 2026.

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