under-rehearsed 
adjective
(Of a performance or performer) insufficiently rehearsed.It is under-rehearsed and the performers are nervous....
- Performances lack focus and the cast are conspicuously under-rehearsed.
- Although the first performance was an under-rehearsed disaster, the work became a great success with the new music scene.
Rhymes
- goalkeeping
- goal kick
- goal-kicker
- goal-kicking
- goalless
- goal line
- go (all) round the houses
- go all the (or the whole) way
- goalminder
- goalmouth
- go-alone
- go along with
- goal-orientated
- goal-oriented
- goal poacher
- goalpost
- goalscorer
- goalscoring
- goal sneak
- goaltender
- goaltending
- goal to go
- goal umpire
- goalward
- goalwards