unilaterally.

1. By one party or side alone rather than through joint action or agreement.

2. On or affecting only one side of the body.

Use it for

Words that belong together

• act unilaterally
• decide unilaterally
• change unilaterally

On the page

The council changed the timetable unilaterally despite the pending negotiations.

Usage notes

Primary category: academic / formal. Forms: Invariable adverb. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, interpretation, qualification. Commonness: moderately common.