Definitions of fight:

• noun:   a boxing match

  Example: "The fight was on television last night"

• noun:   the act of fighting; any contest or struggle

  Example: "A fight broke out at the hockey game"

• noun:   an intense verbal dispute

  Example: "A violent fight over the bill is expected in the Senate"

• noun:   an aggressive willingness to compete

  Example: "The team was full of fight"

• noun:   a hostile meeting of opposing military forces in the course of a war
• verb:   make a strenuous or labored effort
• verb:   be engaged in a fight; carry on a fight

  Example: "Siblings are always fighting"

• verb:   fight against or resist strongly

  Example: "Don't fight it!"

• verb:   exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for