WordNet: ad-lib, extemporaneous, extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed

with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a few unrehearsed comments"

• similar to unprepared

ad-lib

• (suomi) lipsautus- (synonyymi; <unconfirmed/>)

extemporaneous

• (suomi) valmistelematon (synonyymi)

extemporary

• (suomi) valmistelematon (synonyymi)

extempore

• (suomi) valmistautumatta (synonyymi; <idiomatic_pos/>)

impromptu

• (suomi) improvisoitu (synonyymi)

off-the-cuff

• (suomi) lonkalta (synonyymi; <idiomatic_pos/>)

offhand

• (suomi) harjoittelematon (synonyymi)

offhanded

• (suomi) valmistautumatta (synonyymi; <idiomatic_pos/>)

unrehearsed

• (suomi) harjoittelematon (synonyymi)