4
invalid(adjective, void, unsound, trifling, petty)
4
jejune
4
misleading(adjective, false, useless, incorrect, untrue)
4
overbearing(adjective, aloof, pretentious, arrogant, haughty)
4
petty(adjective, useless, futile)
4
puny(adjective, useless, futile)
4
purposeless(adjective, value, stupid, insignificant, idle)
4
self-applauding(adjective, boastful)
4
sleeveless
4
slight(adjective, useless, futile)
4
superior(adjective, aloof, affected, pretentious, cavalier)
4
swell-headed
4
thankless(adjective, unappreciated)
4
unavailable(stupid, idle, inadequate, feeble, useless)
4
unfounded
4
unreal(adjective, useless, trivial, insufficient, untrue)
4
unrewarding(adjective, flat, difficult, unpleasant, idle)
4
windy(adjective, boastful)
3
asinine(adjective, silly, ridiculous, absurd, pointless)
3
catchpenny
10 years ago|25k views|share |citing 
APASmart Define. (2016). vain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/vain/thesaurus/synonyms
ChicagoSmart Define. 2016. "vain thesaurus" https://smartdefine.org/vain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, vain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/vain/thesaurus/synonyms>.
MLASmart Define. "vain thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/vain/thesaurus/synonyms>