Bargein

7 clues
Enter abruptly
Interrupt rudely
Arrive impolitely
Enter unannounced
Not wait for an invitation
Show no respect for privacy
Interrupt a closed-door meeting
Similar answers:
Abar
Abardseyeview
Abare
Abarn
Abarrel
Abduljabbar
Acabaretoldchum
Ackbar
Addressbar
Admiralsnackbar
Adriennebarbeau
Afterhomersbar
Ageincrease
Ageing
Airportbar
Airportbars
Akbar
Akbarthegreat
Akhbar
Albarn