1
non-existent
1
nonanimal(dull, cold, lifeless, nonliving, inorganic)
1
noncurrent
1
nonvegetable(dull, cold, lifeless, nonliving, inorganic)
1
not a sign of(expression, idiom, split, away, lacking)
1
not current(expression, odd, old, primitive, unfashionable)
1
not here(expression, split, away, lacking, finished)
1
not modern(expression, odd, old, primitive, unfashionable)
1
not organic(expression, dull, cold, lifeless, nonliving)
1
not present(expression, split, away, lacking, finished)
1
not with it(expression, idiom, odd, old, primitive)
1
obliterated(adjective, forgotten)
1
obsolescent(adjective, odd, old, primitive, unfashionable)
1
odd(adjective, old, primitive, unfashionable, outdated)
1
of olden days(expression, idiom, odd, old, primitive)
1
of the old school(expression, idiom, odd, old, primitive)
1
of yore(expression, adjective, dead, past, lost)
1
old-fangled(adjective, odd, old, primitive, unfashionable)
1
one-time(adjective, dead, past, lost, previous)
1
out-of-style(adjective, odd, old, primitive, unfashionable)
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APASmart Define. (2016). extinct thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extinct/thesaurus/synonyms
ChicagoSmart Define. 2016. "extinct thesaurus" https://smartdefine.org/extinct/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, extinct thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extinct/thesaurus/synonyms>.
MLASmart Define. "extinct thesaurus" 10 February 2016. Web. 20 September 2026. <https://smartdefine.org/extinct/thesaurus/synonyms>