One that is exactly like another or a counterpart to another.noun
One that is like another in one or more specified qualities.noun
One that is able to compete equally with another.noun
One that closely resembles or harmonizes with another.noun
A pair, each one of which resembles or harmonizes with the other.noun
A game or contest in which two or more persons, animals, or teams oppose and compete with each other.noun
A tennis contest won by the player or side that wins a specified number of sets, usually two out of three or three out of five.