378 entries under adjective topic. ×

2
insubstantial(slight, value, insignificant, unimportant)
2
irrelevant(false, unreasonable, empty, senseless)
2
mindless
2
muted(deep, resonant)
2
not solid(expression, idiom, empty, out)
2
pretentious(false, proper, polite, dishonest)
2
ringing(deep, resonant)
2
shallow(slight, poor, counterfeit, small)
2
silly
2
slight(poor, small, silly, insignificant)
2
stiff(dull, counterfeit, sham, refined)
2
superficial(slight, counterfeit, unimportant, sham)
2
thin(poor, small, inadequate, deficient)
2
tubular
2
unfaithful(noun, wrong, false, dishonest)
2
unfounded(fake, false, counterfeit, sham)
2
unimportant(slight, value, small, insignificant)
2
unproductive(useless, trivial, empty, insufficient)
2
unreliable(smooth, false, true, deceitful)
2
vague(dull, value, insignificant, unimportant)
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APASmart Define. (2015). hollow thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hollow/thesaurus/synonyms
ChicagoSmart Define. 2015. "hollow thesaurus" https://smartdefine.org/hollow/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hollow thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hollow/thesaurus/synonyms>.
MLASmart Define. "hollow thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/hollow/thesaurus/synonyms>