BACK DOOR


Meaning of BACK DOOR in English

■ noun

1》 the rear door of a building.

2》 [as modifier ] underhand; clandestine: a back-door tax increase.

Phrases

by (or through ) the ~ in a clandestine or underhand way.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.