Definition of "onside" in English

adjective

1. (sports) Not in an offside position; In the part of the playing area where one can legally play the ball, puck, etc.

   • The goal was allowed because the attacker was onside.

2. (by extension, slang) Within bounds.

3. On the side of a vehicle from which the driver, paddler, etc. propels it.

4. (bridge) Favourably located, from the point of view of the player taking a finesse.

5. In agreement or support; on board.

noun

1. (sports) The portion of the playing area where one can legally play the ball, puck, etc.

2. The side of a vehicle on which the driver primarily propels it.