318 entries under adjective topic. ×

5
preparatory
5
primo(adverb, quality, bad, tough)
5
starting(noun, start, beginning, opening)
5
topmost(top, excellent, lead, fine)
5
tough(quality, bad, top, perfect)
4
alpha(noun, beginning)
4
authentic(original, previous, initial)
4
central(top, important, significant, original)
4
earlier(adverb, old, past, advanced)
4
eldest(rank, post, status, age)
4
first off(verb, expression, adverb, phrasal verb)
4
fore(rank, post, status, age)
4
in the forefront(expression, idiom, forward)
4
precursory
4
prominent(important, outstanding, head, essential)
4
ruling(top, excellent, fine, superior)
4
special(superior, unusual, important, exceptional)
4
successful
4
unsurpassed(bad, tough, top, perfect)
4
world-class(good, great, excellent, fine)
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APASmart Define. (2016). first thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/first/thesaurus/synonyms
ChicagoSmart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, first thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>.
MLASmart Define. "first thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/first/thesaurus/synonyms>