Decisive
Decisive adjective - Fully committed to achieving a goal.
Usage example: only a team with a decisive attitude is going to win a state championship
Suspicious is an antonym for decisive.
Suspicious
Suspicious adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: suspicious claims of being the rightful owner of the property
Decisive is an antonym for suspicious.
Nearby Words: suspicion, suspiciously
Both words in one sentence
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When the Mane Six discover new abilities granted to them by the Elements just in time for a decisive battle, Firewall and Luna are pleased but deeply suspicious.
Cite this Source
Suspicious and Decisive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/decisive/suspicious
Decisive & Suspicious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/decisive/suspicious>.
Suspicious or Decisive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/decisive/suspicious.
Google Ngram Viewer shows how "decisive" and "suspicious" have occurred on timeline