Pronunciation: (kom"pi-tish'un),[key] —n. 1. the act of competing; rivalry for supremacy, a prize, etc.: The competition between the two teams was bitter. 2. a contest for some prize, honor, or advantage: Both girls entered the competition. 3. the rivalry offered by a competitor: The small merchant gets powerful competition from the chain stores. 4. a competitor or competitors: What is your competition offering? 5. Sociol.rivalry between two or more persons or groups for an object desired in common, usually resulting in a victor and a loser but not necessarily involving the destruction of the latter.
6. Ecol.the struggle among organisms, both of the same and of different species, for food, space, and other vital requirements.