are out line (verb) misbehave: act in inappropriate manner
Sinonime: abate, backslide, cheapen,
decay,
decrease,
degenerate,
depreciate,
deteriorate,
diminish, disimprove,
disintegrate,
droop,
drop,
dwindle,
ebb,
fade,
fail,
fall, fall off,
flag, go downhill, go to pot, go to the dogs, hit the skids,
languish, lapse, lose value,
lower,
pine,
recede, relapse, retrograde,
return, revert,
rot, sag,
settle,
shrink,
sink,
slide,
subside,
wane,
weaken,
worsenAntonime: improve,
increase,
rise