1 (of an action or decision) done by one member of a group without the agreement of the others -- unilateral
a unilateral decision
unilateral disarmament.
We cannot accept this unilateral change as a precedent in any way, and therefore we will not vote until the matter is resolved.
Yes, we can make it in our unilateral commercial policy.
Maintenance obligations are personal and continuous, not to mention unilateral.
However, it is also evident that unilateral action by individual countries is a mistake.
A unilateral approach on its own is ineffective; we might as well be fighting a running battle.
Unilateral mutual contempt leads to a dehumanisation of action.