overheard
/ˌoʊvərˈhɛrd/Definitions
1. verb
to hear a conversation or sound that is not intended for one to hear
“I overheard the two executives arguing in the hallway.”
2. noun
a conversation or sound that has been overheard
“The overheard rumor caused a lot of speculation about the company’s future.”
3. adjective
overheard, especially as a piece of information
“The overheard gossip about the celebrity’s personal life was shocking.”