wear off
• lose effectiveness or intensity.
• "the effects of the drug were wearing off"
Similar:
fade,
dwindle,
diminish,
lessen,
decrease,
wane,
ebb,
subside,
weaken,
lose intensity,
lose strength,
peter out,
melt away,
fizzle out,
pall,
taper off,
tail off,
grow faint,
grow dim,
evaporate,
disappear,
vanish,
die,
come to nothing,
come to a halt,
come to an end,
run out,
lose its effectiveness/effect,