u‧ni‧lat‧e‧ral /ˌjuːnəˈlæt
ərəl◂, ˌjuːnɪˈlæt
ərəl◂/
adjective formal a unilateral action or decision is done by only one of the groups involved in a situation ⇒
bilateral,
multilateral:
a unilateral declaration of independenceunilateral disarmament (=when one country gets rid of its own nuclear weapons without waiting for other countries to do the same)—unilateralism noun [uncountable]—unilaterally adverb [TahlilGaran] Dictionary of Contemporary English ▲