Synonyms|526Antonyms|215|Broader|35Narrower|44Related|1.9k

60 entries under thoughtless topic. ×

3
reckless(silly, unwise)
3
unoccupied
2
jerky(adjective, characteristic, weak, simple, silly)
2
vacant(adjective, imbecility folly)
2
blank
2
half-baked(weak, simple, silly, foolish, fantastic)
2
indiscreet(weak, simple, silly, foolish)
2
rash(silly, unwise)
2
short-sighted(adjective, weak, simple, silly, foolish)
2
zany(weak, simple, silly, foolish)
1
cockamamy(silly, unwise)
1
fantastic(weak, simple, silly, foolish)
1
feebleminded(weak, simple, silly, foolish)
1
ill-advised(weak, simple, silly, foolish)
1
ill-considered(weak, simple, silly, foolish)
1
incautious(weak, simple, silly, foolish)
1
injudicious(weak, simple, silly, foolish)
1
nerdy(weak, simple, silly, foolish)
1
unthoughtful
1
weak(simple, silly, foolish, absurd)
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ChicagoSmart Define. 2015. "fatuous thesaurus" https://smartdefine.org/fatuous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fatuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatuous/thesaurus/synonyms>.
MLASmart Define. "fatuous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fatuous/thesaurus/synonyms>