Answer: eavesdrops

AnswerCrossword Clue
EAVESDROPSListens in.
EAVESDROPSSnoops
EAVESDROPSListens in
EAVESDROPSIs nosy
eavesdropsSecretly listen to a conversation
eavesdropsEAVESDROP, the water that falls from the eaves of a house