unilaterally
adv. manner C1 Advanced US //ˌjunəˈɫætɝəɫi// UK //jˌuːnɪlˈætəɹəli// uni·lat·er·al·ly
adv. done by one person, group, or country without asking or involving others. You use this when someone makes a big decision on their own that affects everyone.
adv. performed by or affecting only one person, group, or country involved in a situation, without the agreement of others.
The manager unilaterally changed the office hours.
The country decided to unilaterally withdraw from the trade agreement, surprising its neighboring allies.
Legal experts argued that the CEO could not unilaterally alter the terms of the contract without a formal vote from the board of directors.
Usage
Typically describes the manner in which a decision or action is taken; often placed before the verb it modifies or at the end of the clause.