109 entries under adjective topic. ×

2
deceased(obsolete, invalid, redundant, vanished)
2
disappeared(vanished, inexistent)
2
dreamlike(fake, false, fantastic, real)
2
gossamery(real, fictional)
2
groundless(real, fictional)
2
hallucinatory(fake, false, fantastic, real)
2
hypothetical(real, fictional)
2
immaterial(fake, false, real, imaginary)
2
mythic
2
mythological
2
shadowy(real, fictional, inexistence)
2
tenuous(real, fictional)
2
truant
2
unsubstantial(fantastic, real, imaginary, unreal)
1
abolished(vanished, inexistent)
1
archaic(vanished, inexistent)
1
asleep(obsolete, invalid, redundant, vanished)
1
bygone(obsolete, invalid, redundant, vanished)
1
cold(obsolete, invalid, redundant, vanished)
1
dead and gone(expression, idiom, vanished, inexistent)
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APASmart Define. (2015). nonexistent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonexistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonexistent thesaurus" https://smartdefine.org/nonexistent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonexistent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonexistent/thesaurus/synonyms>.
MLASmart Define. "nonexistent thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonexistent/thesaurus/synonyms>