As a Noun:
1. An event in which people or teams play against each other to test skills or knowledge or ability English = competition, contest.
2. An event in which people or teams play against each other in a particular sport. English = match, race, game.
As a Verb or Adjective:
1. Of two individuals, groups of people or teams, to try and prove you are better than the other in some event. English = compete.