Backdoor and Offstage

Backdoor noun - An entrance at the rear of a building.

Offstage and backdoor are semantically related. In some cases you can use "Offstage" instead an adjective "Backdoor".

Offstage adjective - Situated or taking place in the area of a stage not visible to the audience.

Backdoor and offstage are semantically related. Sometimes you can use "Backdoor" instead an adjective "Offstage".