adjective, adverb Sports.
- not offside; being within the prescribed line or area at the beginning of or during play or a play.
adjective, adverb
- sport (of a player) in a legal position, as when behind the ball or with a required number of opponents between oneself and the opposing team’s goal line
adjective
- taking one’s part or side; working towards the same goal (esp in the phrase get someone onside)Compare offside