ad-lib

Noun ad-lib has 1 sense

• ad-lib(n = noun.communication) - remark made spontaneously without prior preparation; "his ad-libs got him in trouble with the politicians"
is a kind of comment, input, remark
Derived form verb ad-lib₁

Verb ad-lib has 1 sense

• ad-lib(v = verb.creation) extemporise, extemporize, improvise, improvize - perform without preparation; "he extemporized a speech at the wedding"
is one way to do, execute, perform
Derived form noun ad-lib₁
Sample sentence:
They will ad-lib the duet

Adjective ad-lib has 2 senses

• ad-lib(s = adj.all) extemporaneous, extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed - with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a few unrehearsed comments"
• ad-lib(s = adj.all) spontaneous, unwritten - said or done without having been planned or written in advance; "he made a few ad-lib remarks"