sports : in a position in a game (such as football or hockey) on the opponent's part of the field where you are not allowed to be : not onside
: on the right side
What made you want to look up offside? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes