- Definitions|2
- Thesaurus|3.9k
- Abbreviations|0
| unorganized | |
| brave(weak, cowardly) | |
| non-punctual | |
| perfunctory(adjective, unthinking, automatic) | |
| silly | |
| unwary | |
| wild(reasonable, sensible) | |
| absentminded | |
| brash(adjective, impulsive, brazen) | |
| foolhardy(adjective, rash, impetuous) | |
| forgetful | |
| haphazard(adjective, organization, plan) | |
| improvident(adjective, careless, spendthrift) | |
| imprudent(adjective, kind, prudent) | |
| lax(adjective, false, loose, reckless) | |
| offhand(adjective, careless, abrupt) | |
| adventurous(adjective, daring) | |
| audacious | |
| crazy | |
| derelict(adjective, careless, negligent) |
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| APA | Smart Define. (2016). careful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/careful/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "careful thesaurus" https://smartdefine.org/careful/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, careful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/careful/thesaurus/antonyms>. |
| MLA | Smart Define. "careful thesaurus" 24 January 2016. Web. 27 September 2026. <https://smartdefine.org/careful/thesaurus/antonyms> |