underdo
fake the funk
derogate
fink out
too big for one's boots
cop out
oversampling
stoop
displacement
supplanting
pull in one's horns
condescend
huckleberry above one's persimmon
lose the run of oneself
gimp
reducible
beyond one's pay grade
descend
overreach
deign
lapse
backslide
underreactor
hamstring
hopeless
soft-pedal
freefaller
underachieve
back off
overstepper
worse
outdoing
slump
overcommitter
paralyse
demotion
underactuate
lower one's sights
paralyze
subnormal
piffle
sink
irremovable
underplay
lowerer
bottom
declinable
punch above
sparring
lowering
maxed-out
above oneself
decapacitate
have one's hands tied
run around like a chicken with its head cut off
humiliative
lightweight
decliner
rape
potato
minimization
dismounting
overreacher
nap
outskilled
weakness
minimisation
disable
impotent
impuissance
inability
hypodynamia
undersaver
disindividualize
helplessness
shackle
undoability
counterbalance
neutralize
loose cannon
extort
Nance
retardant
bate
countervail
turndown
outflanking
derank
off one's game
counteract
rot
not to be outdone
subexpert
resistance