1
none
1
nonextant
1
not available(expression, adjective)
1
not existing(expression, idiom)
1
not found
1
not present
1
nothing(adjective, void, unsound, ineffective, ineffectual)
1
nought
1
nul
1
null and void(adjective, real, fictional)
1
obsolete(adjective, invalid, redundant, vanished, inexistent)
1
out of business
1
out of print(expression, adjective, idiom)
1
out of sight(expression, idiom)
1
passed away(adjective, real, fictional)
1
passed on(adjective, real, fictional)
1
past and gone(expression, idiom)
1
perished(adjective, real, fictional)
1
pretended(fake, false, imaginary, fabulous, fanciful)
1
retired
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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>