- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
190 entries under adjective topic. ×
| unmindful(obtuse, unperceptive, unobservant) | |
| unreasonable(careless, stupid, thoughtless, absurd) | |
| unreasoning(careless, stupid, empty, unthinking) | |
| absent(usual, deficient, incogitancy) | |
| absurd | |
| brainless(dull, simple, slow, stupid) | |
| characterless(dreary, monotonous, uninteresting, unlively) | |
| daft(simple, slow, silly, stupid) | |
| dense(dull, simple, slow, stupid) | |
| drained(clear, free, stupid, empty) | |
| forgetful | |
| idiotic | |
| illogical | |
| inconsiderate | |
| lifeless(dull, quiet, flat, heavy) | |
| nonsensical(simple, stupid, crazy, insignificant) | |
| ridiculous | |
| unexisting | |
| unfilled(clear, free, bare, empty) | |
| unsubstantial |
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| APA | Smart Define. (2015). vacuous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vacuous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vacuous thesaurus" https://smartdefine.org/vacuous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, vacuous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vacuous/thesaurus/synonyms>. |
| MLA | Smart Define. "vacuous thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/vacuous/thesaurus/synonyms> |