Extemporaneously Extemporaneously antonyms If you know antonyms for Extemporaneously, then you can share it. Suggest antonym for Extemporaneously Extemporaneously synonyms extempore extemporarily offhand impromptu spontaneously ad lib off the cuff on the spur of the moment without preparation ad-lib without rehearsal Full list of synonyms (73)
