Main Entry:

uni·lat·er·al

Pronunciation:

\ˌyü-ni-ˈla-tə-rəl, -ˈla-trəl\

Function:

adjective

Date:

1802

1 a: done or undertaken by one person or party b: of, relating to, or affecting one side of a subject : one-sided c: constituting or relating to a contract or engagement by which an express obligation to do or forbear is imposed on only one party2 a: having parts arranged on one side <a unilateral raceme> b: occurring on, performed on, or affecting one side of the body or one of its parts <unilateral exophthalmos>3: unilineal4: having only one side

— uni·lat·er·al·ly adverb