10
eminent(adjective, importance, important, original, high)
10
outset
10
primal(adjective, beginning, primary, primeval)
10
primitive(adjective, order, important, original, basic)
10
uppermost(adjective, excellent, rank, post, status)
9
aboriginal(adjective, order, beginning, original, existing)
9
arch(adjective, position, top, superior, importance)
9
before(adverb, rather)
9
commencement
9
essential(adjective, important, significant, original, prominent)
9
initially(adverb, firstly)
9
initiatory(adjective, beginning, opening, original, basic)
9
kickoff(noun, opening)
8
beforehand(adjective, adverb, advanced, forward, up)
8
capital(noun, adjective, good, quality, bad)
8
finest(noun, adjective, good, quality, bad)
8
highest(adjective, quality, bad, tough, top)
8
in front(expression, adjective, idiom, adverb, advanced)
8
in the beginning(expression, adjective, idiom, adverb, order)
8
initiative(adjective, beginning, opening, original, primary)
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APASmart Define. (2016). first thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/first/thesaurus/synonyms
ChicagoSmart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, first thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>.
MLASmart Define. "first thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/first/thesaurus/synonyms>