run to waste
incapacitating
break down
inability
go off the boil
incapable
miss
hamstring
languish
subexpert
strike out looking
unability
worse
underchallenge
stultify
cripple
lowen
outskilled
unadaptable
inadaptable
hopeless
underskilled
nonadaptable
inadaptability
nonportability
failable
powerlessly
incapableness
ineffective
disable
inefficacy
inefficient
shrinking
subvital
subnormal
debilitate
underachieve
technotard
unableness
underdo
ineffectiveness
fossilize
soften up
ham-fisted
maladaptable
disutilize
unreliability
impotent
calcify
academically disadvantaged