Synonyms|216Antonyms|22|Broader|0Narrower|0Related|151
1
opening(adjective, head, beginning, original, prime)
1
order(adjective, heavy, prime, primary, supreme)
1
overmost
1
overruling
1
precedent
1
preceding
1
precessional
1
precursory
1
preludial
1
prelusive
1
preparatory
1
preponderant
1
prevailing
1
prevenient
1
primal
1
primeval(adjective, head, beginning, opening, original)
1
primitive(adjective, head, beginning, opening, original)
1
primo(adjective, order, heavy, original, prime)
1
primogenial(adjective, head, beginning, fresh, original)
1
primordial(adjective, head, beginning, opening, original)
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APASmart Define. (2015). headmost thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/headmost/thesaurus/synonyms
ChicagoSmart Define. 2015. "headmost thesaurus" https://smartdefine.org/headmost/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, headmost thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/headmost/thesaurus/synonyms>.
MLASmart Define. "headmost thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/headmost/thesaurus/synonyms>