12
absent(adjective, usual, real, deficient, absent)
11
missing(adjective, real, absent, fictional, inexistence)
10
gone(adjective, real, absent, obsolete, invalid)
10
lacking(adjective, absent)
9
unreal(adjective, fake, fantastic, real, unsound)
8
null(adjective, real, ineffectual, valueless, fictional)
8
wanting(adjective, absent)
7
departed(adjective, real, absent, obsolete, invalid)
7
inexistent(adjective, vanished, inexistence)
7
void(adjective, real, absent, fictional)
7
lost(adjective, real, obsolete, invalid, fictional)
6
vacant(adjective, real, absent, fictional)
6
illusory(adjective, fake, false, real, imaginary)
5
imaginary(adjective, fake, false, real, unsound)
5
devoid
5
negative(adjective, real, fictional, inexistence)
5
non-existent
5
vanished(adjective, obsolete, invalid, redundant, inexistent)
4
defunct(adjective, real, obsolete, functioning, invalid)
4
empty(adjective, real, absent, fictional)
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APASmart Define. (2015). nonexistent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/nonexistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonexistent thesaurus" https://smartdefine.org/nonexistent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, nonexistent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/nonexistent/thesaurus/synonyms>.
MLASmart Define. "nonexistent thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/nonexistent/thesaurus/synonyms>