to date earlier than the actual date; predate; antedate:
Backdate the letter so he’ll think I wrote it last week.
(transitive) to make effective from an earlier date: the pay rise was backdated to August
also back-date, by 1881 (implied in back-dated), from back (adv.) + date (v.1). Cf. antedate. Related: Backdated; backdating.
- Back dive
a dive in which the diver stands on the springboard with the back to the water and jumps up, arching backward to land either feetfirst facing the springboard or headfirst facing away from the springboard. Historical Examples He could go off and get married if he wanted to; I could do the Hawaiian back dive! […]
- Back and fill
the rear part of the human body, extending from the neck to the lower end of the spine. the part of the body of animals corresponding to the human back. the rear portion of any part of the body: the back of the head. the whole body, with reference to clothing: the clothes on his […]
- Back door
a door at the rear of a house, building, etc. a secret, furtive, or illicit method, manner, or means. secret; furtive; illicit; indirect. Contemporary Examples Walker makes it to his back door and gingerly steps into the inky night. The Man Oswald First Tried to Kill Before JFK Bill Minutaglio, Steven L. Davis October 2, […]
- Backdoor play
an offensive tactic whereby a player breaks away from a defender to receive a pass near the baseline in order to make a quick layup.