Synonyms of improv

1 Syllable
fake
2 Syllables
adlib, vamped, faked, offhand, ad-lib, winged
3 Syllables
spontaneous, unstudied, unscripted, impromptu, informal, unfussy, storify, throwaway, off-the-cuff
4 Syllables
improviso, unprepared, improvising, extempore, low-pressure, improvise, free-and-easy
5 Syllables
spur-of-the-moment, improvisate, extemporized, extemporaneous
6 Syllables
unpremeditated, improvisatory