sideline - definition and synonyms

verb [transitive] 

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present tense
present participlesidelining
past tensesidelined
past participlesidelined
  1. 1
    to cause a player in a sport or game to be unable to play

    Champion Tommy Moe is sidelined with a bad knee injury.

  2. 2
    to prevent someone from being involved in something that they would normally expect to be involved in