abate
afflict
attenuate
blunt
castrate
cramp
cripple
damp
dampen
deaden
debilitate
demasculinize
deprive
derange
desex
desexualize
disable
disorder
dry up
dull
effeminize
emasculate
enervate
enfeeble
etiolate
eviscerate
exhaust
extenuate
gruel
hospitalize
incapacitate
indispose
invalid
lay low
lay up
mitigate
rattle
reduce
sap
shake
shake up
sicken
soften up
sterilize
unbrace
undermine
unman
unnerve
unstrengthen
unstring
weaken
devitalized
devitalizes
devitalizing
devitalization