RichThesaurus
improv
improv
synonyms
ad-lib
spontaneous
extempore
improviso
off the cuff
unprepared
unpremeditated
impromptu
offhand
tossed off
extemporaneous
unstudied
concoct
free
spur-of-the-moment
unscripted
invent
shot from the hip
wing it
fake
informal
whipped up
winged
fake it
played by ear
thought out loud
off the top of head
jamming
make up
on-the-spot
knock off
improvisatory
vamped
do offhand
made-up
ad lib
ad hoc
make do
improvise
spur-of-themoment
winging it
taking for ride
on impulse
snap
speak off the cuff
tossed out
thrown off
makeshift
throw together
unplanned
more synonyms
improv
antonyms
planned
rehearsed
premeditated
read
written
prepared
deliberate
designed
stiff
rigid
plan
premeditate
official
tell truth
buttoned-up
devise
dressed-up
formal
ceremonious
be real
design