overhear
o‧ver‧hear /ˌəʊvəˈhɪə $ ˌoʊvərˈhɪr/
verb (past tense and past participle overheard /-ˈhɜːd $ -ˈhɜːrd/) [transitive]to accidentally hear what other people are saying, when they do not know that you have heard:
I overheard part of their conversation.
overhear somebody saying something
She overheard the management discussing pay rises.
overhear somebody say (that)
We overheard the teacher say there would be a pop quiz today.
I couldn’t help overhearing your argument.
⇨ eavesdrop
o‧ver‧hear /ˌəʊvəˈhɪə $ ˌoʊvərˈhɪr/
verb (past tense and past participle overheard /-ˈhɜːd $ -ˈhɜːrd/) [transitive]to accidentally hear what other people are saying, when they do not know that you have heard:
overhear somebody saying something
overhear somebody say (that)
⇨ eavesdrop