What is another word for speak impromptu?
Pronunciation: [spˈiːk ɪmpɹˈɒmptuː] (IPA) 
There are various synonyms that can be used to replace the phrase "speak impromptu." One can use "speak extemporaneously," which means to speak on the spot without prior preparation or script. Another synonym is "speak ad-lib," which refers to speaking off the cuff. "Speak off-the-cuff" is another alternative, which means to speak without any preparation or advance notice. One can also use "speak improvisationally," which is similar to speaking off-the-cuff, but with a greater sense of creativity and spontaneity. Ultimately, these synonyms all refer to the same concept of speaking without prior planning or preparation.
