Back Door

B1 16+
Synonyms Antonyms Collocations Idiomatic Expressions

Synonyms of back door

rear entrance
side entrance
service entrance

Antonyms of back door

front door
main entrance
primary entrance

Collocations of back door

hidden agenda
Frequency: 80 %

He had a hidden agenda behind his offer to help.

unauthorized access
Frequency: 75 %

The company's security system prevents unauthorized access through the back door.

secret entrance
Frequency: 70 %

The thieves used the secret entrance to break into the building.

covert operation
Frequency: 65 %

The military carried out a covert operation through the back door of the enemy's base.

alternative route
Frequency: 60 %

We took the alternative route to avoid traffic on the main road.

Idiomatic Expressions for back door

  • Phrase: out the back door
    Meaning: refers to something leaving or exiting in a secretive or unauthorized manner
    Usage: The company's confidential information was leaked out the back door.