offside

/ˈɔfˌsaɪd/
adjective
  1. In sports (especially soccer, hockey, or rugby), in a position that is not allowed by the rules, usually ahead of the ball or puck when it is played.
    • She was clearly offside when she received the pass, so the goal didn't count.
    • The referee called the player offside because he was past the last defender when the ball was kicked.
    • The coach argued that his forward was not offside, but the video replay showed otherwise.
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noun
  1. A ruling in sports that a player is in an illegal position, or the state of being in that position.
    • The crowd booed loudly after the offside was called against their team.
    • The assistant referee raised his flag to signal an offside.
    • He has been caught in offside three times this match.