- Football to hit or block (an opposing player) from his blind side
- to assail (someone) from an unseen or unexpected direction
transitive verbblind·sid·ed, blind·sid·ing, blind·sides
- To hit or attack on or from the blind side.
- To catch or take unawares, especially with harmful or detrimental results: The news blindsided us.
- (automotive) A driver's field of blindness around an automobile; the side areas behind the driver.
- (rugby) the space on the side of the pitch with the shorter distance between the breakdown/set piece and the touchline; compare openside.
- (rugby union) short for blindside flanker, a position in rugby union, usually number 6.
- The blindside [flanker] packs down at the scrum on the blindside.
(third-person singular simple present blindsides, present participle blindsiding, simple past and past participle blindsided)
- (informal) To catch off guard; to take by surprise.