Synonyms|345Antonyms|156|Broader|3Narrower|0Related|512

113 entries under original topic. ×

1
out-of-date(old, venerable, antique, archaic)
1
outdated(last, previous, venerable, other)
1
outmoded(old, venerable, obsolete, antique)
1
paramount(adjective, important, significant, essential)
1
principal(adjective, important, significant, essential)
1
quondam(last, past, primitive, venerable)
1
relic(old, venerable, obsolete, antique)
1
remote(old, venerable, obsolete, antique)
1
requisite(adjective, important, significant, essential)
1
rusty(last, old, venerable, outdated)
1
significant(adjective, important, essential, basic)
1
slightest(adjective, head, beginning, opening)
1
smallest(adjective, head, beginning, opening)
1
sometime(last, past, primitive, venerable)
1
stale(last, past, venerable, outdated)
1
structural(important, significant, basic, vital)
1
substratal(adjective, rough, important, significant)
1
substrative(adjective, important, significant, essential)
1
superannuated(old, venerable, obsolete, antique)
1
supporting(adjective, important, significant, essential)
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ChicagoSmart Define. 2015. "primordial thesaurus" https://smartdefine.org/primordial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, primordial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/primordial/thesaurus/synonyms>.
MLASmart Define. "primordial thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/primordial/thesaurus/synonyms>