Answer: overhear

AnswerCrossword Clue
OVERHEARPick up by the ears?
OVERHEAREavesdrop
OVERHEARGive ear unwittingly.
OVERHEARDo some eavesdropping
OVERHEARMake out at a party?
overhearto hear (words or a speaker) without the speaker's knowledge
overhearto hear by accident