ETYM Latin competition. Related to Compete.
In ecology, the interaction between two or more organisms, or groups of organisms (for example, species), that use a common resource which is in short supply. Competition invariably results in a reduction in the numbers of one or both competitors, and in evolution contributes both to the decline of certain species and to the evolution of adaptations.
Thus plants may compete with each other for sunlight, or nutrients from the soil, while animals may compete among themselves for food, water, or refuge.
1. A business relation in which two parties compete to gain customers.
2. The act of competing as for profit or a prize; SYN. contention, rivalry.