Synonyms of ad lib in English:

ad lib


See definition of ad lib

verb

1‘I never work from a script—I just ad lib the whole programme’

SYNONYMS
improvise, extemporize, speak impromptu, make it up as one goes along, think on one's feet, take it as it comes
informal speak off the cuff, speak off the top of one's head, play it by ear, busk it, wing it

adverb

1‘she spoke ad lib’

SYNONYMS
impromptu, extempore, without preparation, without rehearsal, extemporaneously, spontaneously, offhand
ad libitum
informal off the cuff, off the top of one's head, on the spur of the moment, just like that, at the drop of a hat

adjective

1‘they gave a live, ad lib commentary as the film was shown’

SYNONYMS
impromptu, extempore, extemporaneous, extemporary, improvised, improvisational, improvisatory, improvisatorial, unprepared, unarranged, unplanned, unrehearsed, unscripted, unpremeditated, spontaneous, on-the-spot
informal off-the-cuff, spur-of-the-moment
ANTONYMS

planned