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Collins Concise English Dictionary © HarperCollins Publishers:: ad-lib /ædˈlɪb/ vb ( -libs, -libbing, -libbed)- to improvise and deliver without preparation (a speech, musical performance, etc)
adj (ad lib when predicative)- improvised; impromptu
adv ad lib - without restraint; freely
n - an improvised performance, often humorous
Etymology: 18th Century: short for Latin ad libitum, literally: according to pleasure ad lib /æd ˈlɪb, ˈæd/USA pronunciation adv. - freely and without prior planning:added a few remarks ad lib.
ad-lib /æd ˈlɪb, ˈæd-/USA pronunciation v., -libbed, -lib•bing, adj. v. - to improvise all or part of (a speech, a piece of music, etc.): [~ + object]He ad-libbed his speech.[no object]He ad-libbed for an hour.
adj. - unrehearsed;
impromptu:ad-lib remarks.
ad--lib•ber, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024ad lib (ad lib′, ad′),USA pronunciation - something improvised in speech, music, etc.:Was that joke part of your speech or an ad lib?
- at one's pleasure;
without restriction. - freely;
as needed;
without stint:Water can be given to the patients ad lib.
ad-lib (ad lib′, ad′-),USA pronunciation v., -libbed, -lib•bing, adj. v.t. - to improvise all or part of (a speech, a piece of music, etc.):to ad-lib one's lines.
v.i. - to act, speak, etc., without preparation:Throughout the play he had to ad-lib constantly.
adj. - impromptu;
extemporaneous:ad-lib remarks to hecklers.
- verb, verbal use of ad lib 1915–20, American.
- See ad libitum.
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