unilateral

adj

Etymology: A modern creation (circa 1802), from New Latin ūnilaterālis (“one-sided”), from Latin ūnus (“one”) + laterālis (“sided, lateral”), equivalent to uni- + lateral.

1. Done by one side only.

   “For purposes of evaluating monopsony cases from the standpoint of economic efficiency, it makes sense to adopt a "purpose"-oriented classification system. After all, all monopsony cases can be reduced to either a unilateral or collusive use of buying power in order to promote the interests of the buyer.”

2. Affecting only one side of the body.
3. Binding or affecting one party only.