Answer:

disturb

Answer	Crossword Clue
DISTURB	Ruffle
DISTURB	Bother
DISTURB	Interrupt

DISTURB	"Do not" follower, on a closed-door sign
DISTURB	Break in on
DISTURB	Break in on.
DISTURB	Roil
DISTURB	Unsettle
DISTURB	Trouble
DISTURB	Opposite of "let sleeping dogs lie"
DISTURB	Agitate

DISTURB	Bother or agitate
DISTURB	Throw out of order