| chance(noun, risk, possibility, fate) | |
| gamble(noun, take, chance, speculation) | |
| disorganize(calm, organize) | |
| extemporize | |
| forget | |
| improvise | |
| ignore | |
| neglect | |
| ad-lib |
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| APA | Smart Define. (2016). plan thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/plan/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "plan thesaurus" https://smartdefine.org/plan/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, plan thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/plan/thesaurus/antonyms>. |
| MLA | Smart Define. "plan thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/plan/thesaurus/antonyms> |