175 entries under adjective topic. ×

18
fortuitous(chance, casual, minor, related)
17
casual(careless, chance, irregular, minor)
16
accidental(careless, chance, casual, minor)
16
chance(noun, casual, irregular, minor)
16
random(chance, casual, irregular, minor)
15
adventitious(chance, minor, surface, secondary)
13
occasional(chance, irregular, minor, secondary)
13
secondary(minor, subordinate, ambiguous, related)
12
contingent(chance, casual, minor, liability)
12
unplanned(chance, casual, random, haphazard)
10
minor(mean, slight, small, unimportant)
10
nonessential(mean, slight, small, minor)
10
subordinate(minor, secondary, subsidiary, related)
9
indirect(subordinate, rambling, circuitous, tortuous)
9
accompanying(minor, related)
9
ancillary(minor, subordinate, ambiguous, secondary)
9
circumstantial(minor, circumstance, related, circumstantial)
9
unimportant(mean, slight, small, insignificant)
8
concomitant(minor, secondary, subsidiary, related)
8
extraneous(insignificant, unimportant, irrelevant, superfluous)
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APASmart Define. (2016). incidental thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms
ChicagoSmart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, incidental thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>.
MLASmart Define. "incidental thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms>