Meaning : Remark made spontaneously without prior preparation.
Example :
His ad-libs got him in trouble with the politicians.
Meaning : With little or no preparation or forethought.
Example :
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.
Synonyms : extemporaneous, extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed
Meaning : Said or done without having been planned or written in advance.
Example :
He made a few ad-lib remarks.
Synonyms : spontaneous, unwritten
Meaning : Perform without preparation.
Example :
He extemporized a speech at the wedding.
Synonyms : extemporise, extemporize, improvise, improvize