- Definitions|2
- Thesaurus|2.8k
- Abbreviations|0
| devil-may-care(wild, thoughtless, irresponsible) | |
| dim-witted | |
| disregardful(casual, happy-go-lucky, slapdash) | |
| dorky | |
| flighty(careless, stupid, unthinking, obtuse, unperceptive) | |
| foolhardy(adjective, wild, thoughtless, deed, negligent) | |
| frivolous | |
| fruity(mad, insane, psychiatric) | |
| furious | |
| giddy | |
| gormless | |
| half-witted(adjective, dull, simple, slow, silly) | |
| hare-brained | |
| harebrained(careless, wild, silly, foolish, stupid) | |
| hellish | |
| inept(careless, stupid, unthinking, obtuse, unperceptive) | |
| instinctual(physical, unconscious, instinctive, involuntary) | |
| involuntary | |
| irresponsible(careless, wild, foolish, stupid, casual) | |
| jejune |
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| APA | Smart Define. (2015). mindless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, mindless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>. |
| MLA | Smart Define. "mindless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms> |