activate; give more life:
deactivate,
deaden,
calm,
sap,
halt,
depress,
stop,
weary,
debilitate,
weaken,
dissuade,
discourage,
bore,
tire,
dishearten,
dull.
body:
de-energise,
de-energize,
sedate.
noun:
demoralize,
inhibit,
wear,
quell,
burn out,
fag,
fatigue,
enfeeble,
wear out,
dispirit,
tranquillize,
quench,
harass,
curb,
exhaust,
kayo,
wash out,
daunt,
dampen,
weary,
drain,
do in,
slow,
still,
suppress,
tranquilize,
check,
undermine,
sap,
damp,
tranquillise,
dull,
jade,
enervate,
tucker,
restrain,
repress,
stunt.