Simple Definition of unilateral
: involving only one group or country
Full Definition of unilateral
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 party
2 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 : unilineal
4 : having only one side
Examples of unilateral in a sentence
Our country is prepared to take unilateral action.
First Known Use of unilateral
Legal Definition of unilateral
1 : done or undertaken by one party <a unilateral mistake as to the terms>
2 : of, relating to, or affecting one side of a subject
3 : containing a promise to perform made by only one party esp. because the other has already performed (as by paying an amount) <an option contract is unilateral>
Seen and Heard
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