- Definitions|2
- Thesaurus|783
- Abbreviations|0
34 entries under adjective topic. ×
| spontaneous(impulsive, willing, planned) | |
| unpremeditated | |
| unplanned(deliberate, spontaneous) | |
| accidental(deliberate, spontaneous, unexpectedly) | |
| casual(chance, spontaneous, random) | |
| extemporaneous(improvised, rehearsed) | |
| inadvertent | |
| involuntary | |
| unintentional | |
| unwitting | |
| automatic | |
| fortuitous | |
| impromptu(adverb, unrehearsed, improvised) | |
| incidental | |
| offhand | |
| unintended | |
| abrupt | |
| adventitious | |
| careless | |
| cursory |
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| APA | Smart Define. (2015). premeditated thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/premeditated/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "premeditated thesaurus" https://smartdefine.org/premeditated/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, premeditated thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/premeditated/thesaurus/antonyms>. |
| MLA | Smart Define. "premeditated thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/premeditated/thesaurus/antonyms> |