tail off
• gradually diminish in amount, strength, or intensity.
• "the economic boom was beginning to tail off"
Similar:
fade,
wane,
ebb,
dwindle,
decrease,
lessen,
get less,
diminish,
decline,
subside,
abate,
drop off,
drop away,
fall away,
peter out,
taper off,
let up,
ease off,
die away,
die out,
die down,
go into decline,
waste away,
recede,
relent,
desist,
weaken,
come to an end,
tail-off
noun
• a decline or gradual reduction in something.
• "a tail-off in customers"