backcross
— Verb
– English
～ mate a hybrid of the first generation with one of its parents
backdate
— Verb
– English
～ make effective from an earlier date; "The increase in tax was backdated to January"
backdoor
— Noun
– English
～ a secret or underhand means of access (to a place or a position); "he got his job through the back door"
backdoor
— Noun
– English
～ an entrance at the rear of a building
backdoor
— Noun
– English
～ an undocumented way to get access to a computer system or the data it contains
backdown
— Noun
– English
～ a retraction of a previously held position
backdrop
— Noun
– English
～ scenery hung at back of stage
backed
— Adjective
– English
～ having a back or backing, usually of a specified type
backed
— Adjective
– English
～ used of film that is coated on the side opposite the emulsion with a substance to absorb light
backer
— Noun
– English
～ invests in a theatrical production
backfield
— Noun
– English
～ the offensive football players who line up behind the linemen
backfire
— Verb
– English
～ set a controlled fire to halt an advancing forest to prairie fire
backfire
— Verb
– English
～ come back to the originator of an action with an undesired effect; "Your comments may backfire and cause you a lot of trouble"; "the political movie backlashed on the Democrats"
backfire
— Verb
– English
～ emit a loud noise as a result of undergoing a backfire; "My old car backfires all the time"
backfire
— Noun
– English
～ a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
backfire
— Noun
– English
～ the backward escape of gases and unburned gunpowder after a gun is fired
backfire
— Noun
– English
～ a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path
backfire
— Noun
– English
～ a miscalculation that recoils on its maker
backflow
— Noun
– English
～ a flow that returns toward its source
backflowing
— Noun
– English
～ a flow that returns toward its source