Synonyms|804Antonyms|195|Broader|23Narrower|33Related|1.3k

326 entries under adjective topic. ×

2
bygone(last, original, odd, old)
2
cardinal(important, head, significant, beginning)
2
central(top, important, significant, original)
2
connate(cause, original, basic, absolute)
2
constitutional(body, material, important, significant)
2
crucial(important, significant, original, essential)
2
demode(last, original, odd, old)
2
foundational(simple, plain, important, significant)
2
intrinsic(important, significant, original, essential)
2
key(important, head, significant, beginning)
2
material(body, basic, absolute, fundamental)
2
necessary(body, material, important, significant)
2
nonprofessional
2
of old(expression, last, original, odd)
2
old-time(last, original, odd, old)
2
outworn(odd, old, unfashionable, outdated)
2
paleolithic(old, oldness)
2
plain(open, simple, easy, straightforward)
2
principal(body, material, important, significant)
2
root(original, basic, fundamental, primary)
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ChicagoSmart Define. 2015. "primitive thesaurus" https://smartdefine.org/primitive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, primitive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/primitive/thesaurus/synonyms>.
MLASmart Define. "primitive thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/primitive/thesaurus/synonyms>