321 entries under adjective topic. ×

2
indefatigable(resolute, tenacious)
2
influential(important, powerful, significant, definite)
2
loyal(good, strong, solid, steady)
2
major
2
mandatory(set, significant, essential, basic)
2
obdurate
2
obligatory(significant, essential, basic, vital)
2
official(reliable, legitimate, authorized)
2
patent
2
perfect(clear, complete, certain, definite)
2
plucky(resolute, tenacious)
2
portentous
2
precise(exact, definite, sure, accurate)
2
predetermined(firm, determined, usual, regular)
2
purposeful(firm, certain, determined, serious)
2
required(important, significant, essential, critical)
2
rigid(firm, exact, determined, usual)
2
severe(alert, serious, perceptive, authoritative)
2
spunky(resolute, tenacious)
2
stern
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APASmart Define. (2015). decisive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/decisive/thesaurus/synonyms
ChicagoSmart Define. 2015. "decisive thesaurus" https://smartdefine.org/decisive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, decisive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/decisive/thesaurus/synonyms>.
MLASmart Define. "decisive thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/decisive/thesaurus/synonyms>