Accidentally Listen to Someone's Conversation
This page is the CodyCross answer for the clue below from The 70's, Group 324, Puzzle 1 (Bell Bottoms).
Question is: Accidentally Listen to Someone's Conversation
and the answer is: OVERHEAR
Word Meaning:
OVERHEAR — (ambitransitive) To hear something that was not meant for one's ears.
Definitions from Wiktionary.