- Definitions|0
- Thesaurus|54
- Abbreviations|0
| uncertain(doubtful, unlikely, implausible) | |
| unconvincing(doubtful, unlikely, implausible) | |
| unheard of(expression, doubtful, unlikely, implausible) | |
| unimaginable(unreasonable, useless, doubtful, absurd, hopeless) | |
| unsubstantial(doubtful, unlikely, implausible) | |
| weak(doubtful, unlikely, implausible) | |
| accident(chance, luck) | |
| chance(luck, accident) | |
| coincidence(chance, risk, possibility, luck, accident) | |
| fanciful(doubtful, unlikely, implausible) | |
| fluke(chance, luck, accident) | |
| implausible(doubtful, unlikely) | |
| impossible | |
| incredible(doubtful, unlikely, implausible) | |
| irresoluble | |
| irresolvable | |
| lucky break(expression, chance, luck, accident) | |
| lucky hit(expression, chance, risk, possibility, luck) | |
| misfortune(chance, risk, possibility, luck, accident) | |
| mishap(chance, risk, possibility, luck, accident) |
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| APA | Smart Define. (2011). hundred-to-one thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hundred-to-one/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "hundred-to-one thesaurus" https://smartdefine.org/hundred-to-one/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, hundred-to-one thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hundred-to-one/thesaurus/synonyms>. |
| MLA | Smart Define. "hundred-to-one thesaurus" 24 May 2011. Web. 30 September 2026. <https://smartdefine.org/hundred-to-one/thesaurus/synonyms> |