- Definitions|2
- Thesaurus|925
- Abbreviations|0
| providential(happy, fortunate, opportune, blessed, fluky) | |
| purposeless(adjective, accidental) | |
| risky | |
| salubrious | |
| striking it rich(expression, idiom, happy, fortunate, opportune) | |
| superadded | |
| timely(happy, fortunate, opportune, blessed, fluky) | |
| uncertain(chance, likely, desirable, unplanned, potential) | |
| undesigned(adjective, accidental, unintended) | |
| unforeseeable | |
| unintended(adjective, chance, unplanned, unintentional, accidental) | |
| well(happy, fortunate, opportune, blessed, fluky) | |
| accidentals | |
| adjunct | |
| adulterant | |
| advencasual | |
| advencircumstantial | |
| advenderived from without(verb, phrasal verb, extrinsicality) | |
| adventitiously | |
| ancillaries |
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| APA | Smart Define. (2015). adventitious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/adventitious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "adventitious thesaurus" https://smartdefine.org/adventitious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, adventitious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/adventitious/thesaurus/synonyms>. |
| MLA | Smart Define. "adventitious thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/adventitious/thesaurus/synonyms> |