decisive

Definitions

Having the power or quality of deciding; settling an issue.

Showing the ability to make decisions quickly and effectively.

Unmistakable and clear-cut.

Examples

She played a decisive role in the success of the project.

The general made a decisive move to secure the territory.

It was a decisive victory that ended the long-standing rivalry.

Synonyms

resolute determined firm conclusive deciding definitive unwavering

Antonyms

indecisive hesitant vacillating uncertain irresolute tentative wavering