- Definitions|1
- Thesaurus|486
- Abbreviations|0
| chance(adjective, careless, thoughtless) | |
| unintentional(adjective, careless, thoughtless) | |
| unplanned(adjective, forgotten) | |
| unwitting(adjective, careless, thoughtless) | |
| accidental(adjective, casual) | |
| casual | |
| careless(adjective, thoughtless) | |
| coerced | |
| disregarded(adjective, forgotten) | |
| fluky | |
| forced | |
| forgotten | |
| fortuitous | |
| heedless(adjective, careless, thoughtless) | |
| ignorant(adjective, careless, thoughtless) | |
| imprudent(adjective, careless, thoughtless) | |
| inadvertent | |
| inattentive(adjective, careless, thoughtless) | |
| incautious(adjective, careless, thoughtless) | |
| incidental |
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| APA | Smart Define. (2015). prepense thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/prepense/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "prepense thesaurus" https://smartdefine.org/prepense/thesaurus/antonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, prepense thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/prepense/thesaurus/antonyms>. |
| MLA | Smart Define. "prepense thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/prepense/thesaurus/antonyms> |