How to pronounce blindside:
Example: "The economic downturn blindsided many investors"
A driver's field of blindness around an automobile; the side areas behind the driver.
A person's weak point.
The space on the side of the pitch with the shorter distance between the breakdown/set piece and the touchline; compare openside.
The blindside flanker, a position in rugby union, usually number 6.
Example: "The blindside packs down at the scrum on the blindside."