eavedrop
/ˈiːvzˌdrɒp/ or /ˈiːvzˌdɹɒp/Definitions
1. verb
to secretly listen to or overhear a private conversation, especially one that is not intended to be overheard.
“She was accused of eavesdropping on her neighbor’s phone call.”
2. noun
the act of secretly listening to or overhearing a private conversation.
“The eavesdropping on the presidential meeting was a major security breach.”