weak
anemic
anile
apathetic
asthenic
benumbed
blase
bloodless
bored
cachectic
castrated
chicken
cowardly
crabbed
dead
decrepit
demasculinized
devitalized
doddered
doddering
doddery
dopey
dormant
drained
drooping
droopy
drugged
dull
effeminized
effete
emasculate
emasculated
enervated
enfeebled
etiolated
eunuchized
exanimate
exhausted
fagged
failing
faint
fainting
faintish
fatigued
feeble
feeling faint
flabby
flaccid
flagging
floppy
facilitated
rehabilitated