5
conditional(adjective, restricted, circumstance, liable, indirect)
5
episodic(adjective, intermittent, irrelation, circumstantial)
5
incidental to(verb, expression, adjective, phrasal verb, related to)
5
inessential
5
irrelevant(adjective, mean, slight, small, insignificant)
5
negligible(adjective, mean, slight, small, unimportant)
5
non-essential
5
paltry(adjective, mean, slight, small, unimportant)
5
serendipitous(adjective, chance, lucky, unplanned, accidental)
5
trifling(adjective, mean, slight, small, unimportant)
4
accessory
4
additional
4
afloat
4
inconsiderable(adjective, mean, slight, small, unimportant)
4
irregular(adjective, careless, chance, casual, minor)
4
lesser
4
little(mean, slight, small, unimportant, trivial)
4
petty(adjective, mean, slight, small, unimportant)
4
provisional(adjective, restricted, circumstance, liable, indirect)
4
uncaused(adjective, chance 2)
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APASmart Define. (2016). incidental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms
ChicagoSmart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, incidental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>.
MLASmart Define. "incidental thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms>