noun Also back door .
adjective Also back-door .
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British Dictionary definitions for backdoor
- a means of entry to a job, position, etc, that is secret, underhand, or obtained through influence
- (as modifier)a backdoor way of making firms pay more
Idioms and Phrases with backdoor
An entry at the rear of a building, as in Deliveries are supposed to be made at the back door only. [First half of 1500s]
A clandestine, unauthorized, or illegal way of operating. For example, Salesmen are constantly trying to push their products by offering special gifts through the back door. This term alludes to the fact that the back door cannot be seen from the front. [Late 1500s]