Speak impromptu Speak impromptu antonyms prepare rehearse write plan If you know antonyms for Speak impromptu, then you can share it. Suggest antonym for Speak impromptu Speak impromptu synonyms extemporize speak off the cuff ad-lib speak extemporaneously ad lib invent make up improvise wing it speaking off the cuff improvise speech Full list of synonyms (22)
