unfit
bad
castrated
damaged
debilitated
disabled
disarmed
disqualified
emasculated
game
halt
halting
hamstrung
handicapped
hobbling
hog-tied
impeded
incapacitated
inoperative
invalidated
lame
lamed
lamish
limping
maimed
paralyzed
prostrate
spavined
weak
weakened
rippled
tripled
noncrippled
uncrippled