6
listless(adjective, energy, cold, aloof, neutral)
6
meaningless(adjective, use, value, silly, empty)
6
nonexistent(adjective, real, absent, fictional, nonexistent)
5
extra(adjective, clear, loose, empty, relaxing)
5
leisure(noun, adjective, free, allow, let)
5
mindless(adjective, thoughtless, incogitancy)
5
stupid(adjective, dull, wrong, indifferent, silly)
5
tenantless(adjective, clear, free, empty, absence)
5
untaken(adjective, empty, unoccupied)
5
wanting(adjective, poor, small, insignificant, unimportant)
4
dead(adjective, dull, negative, boring, blank)
4
desert(adjective, absence)
4
destitute(adjective, clear, free, bare, empty)
4
idiotic(adjective, imbecility folly)
4
illogical(adjective, silly, thoughtless, absurd, irrational)
4
insignificant(adjective, value, unimportant, empty, vague)
4
lifeless(stale, lethargic, languid, innocuous, indolent)
4
poker-faced(adjective, dull, dead, impassive, unresponsive)
4
silly(adjective, indifferent, foolish, stupid, senseless)
4
unemployed(adjective, clear, loose, empty, relaxing)
11 years ago|17k views|share |citing 
APASmart Define. (2015). vacant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vacant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vacant thesaurus" https://smartdefine.org/vacant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vacant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vacant/thesaurus/synonyms>.
MLASmart Define. "vacant thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/vacant/thesaurus/synonyms>