decisive

/dɪˈsaɪsɪv/adjective

Settling a question or dispute completely, so that no doubt or argument remains.

Example sentences

“The late goal was decisive, ending the home team's hopes of a comeback.”
“Her decisive answer left no room for further debate.”

Also describes people who decide quickly and firmly. A decisive victory ends the contest; a decisive person ends the meeting.

Synonyms for decisive

conclusive
definitive
deciding
determining

Antonyms

inconclusive

Related words

assertiveConfident and direct in expressing opinions or claiming one's rights, without being aggressive.crucialSo important that the outcome or future of something depends on it.emphaticExpressed strongly and clearly, leaving no doubt about what is meant.irresoluteUnable to make up one's mind; hesitant about what to do.pivotalExtremely important because other things depend on it; central to an outcome.declaimTo speak or recite words loudly and dramatically, as if giving a speech to an audience.