- Definitions|1
- Thesaurus|2k
- Abbreviations|0
| undetermined(adjective, chance 2) | |
| unexpected(adjective, careless, chance, casual, arbitrary) | |
| unforeseen(adjective, chance, lucky, liable, unplanned) | |
| unpremeditated(adjective, careless, chance, casual, random) | |
| accident | |
| afoot | |
| aleatory | |
| auxiliary | |
| coincidental(adjective, chance, minor, secondary, related) | |
| contingency | |
| current | |
| doing | |
| happening | |
| hit-or-miss(adjective, careless, chance, casual, random) | |
| inadvertent(unintentional, unintended) | |
| incidental expense(noun, expression, idiom) | |
| inconclusive(adjective, restricted, indirect, provisional, restrictive) | |
| indeterminate(adjective, chance 2) | |
| item(noun, part, thing, piece, story) | |
| lucky(adjective, happy, uncertain, casual, beneficial) |
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| APA | Smart Define. (2016). incidental thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, incidental thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>. |
| MLA | Smart Define. "incidental thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms> |