also ad lib
( ad-libs, ad-libbing, ad-libbed)
1.
If you ad-lib something in a play or a speech, you say something which has not been planned or written beforehand.
He began comically ad-libbing a script...
He’s good at ad-libbing his way out of trouble...
He is rather disjointed when he ad-libs.
...ad-libbed phrases.
= improvise
VERB : V n , V way prep , V , V-ed
2.
An ad-lib is something which is said without having been planned or written beforehand.
Every time I fluffed a line Lenny got me out of trouble with a brilliant ad-lib.
= improvisation
N-COUNT
•
Ad lib is also an adverb.
I spoke from the pulpit ad lib.
ADV : ADV after v