337 entries under adjective topic. ×

1
ascendant(free, top, superior, powerful)
1
august(fine, important, significant, grand)
1
axiological(important, significant, original, essential)
1
bad(great, tough, top, excellent)
1
beyond compare(expression, bad, tough, top)
1
big league(lead, head, master, boss)
1
blue-ribbon(excellent, super, best, unbeaten)
1
bottom(important, significant, original, essential)
1
bottom-line(important, significant, original, essential)
1
brilliant(famous, illustrious)
1
broad(lead, head, master, boss)
1
celebrated(bad, great, excellent, superior)
1
choice(excellent, super, best, unbeaten)
1
choicest(bad, tough, top, perfect)
1
common(usual, main, universal, general)
1
consummate(top, excellent, superior, famous)
1
crack(bad, great, excellent, fine)
1
crux(lead, head, master, boss)
1
culminating(bad, tough, top, excellent)
1
customary(usual, main)
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APASmart Define. (2016). principal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/principal/thesaurus/synonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms>