7 entries under incidental topic. ×

14
dispensable(adjective, spare, extreme, useless, extra)
9
insignificant(adjective, extra, petty, unnecessary)
8
minor(adjective, unimportant)
8
nonessential(adjective, important, spare, useless, extra)
3
accidental
3
secondary
2
subsidiary
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APASmart Define. (2015). expendable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/expendable/thesaurus/synonyms
ChicagoSmart Define. 2015. "expendable thesaurus" https://smartdefine.org/expendable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, expendable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/expendable/thesaurus/synonyms>.
MLASmart Define. "expendable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/expendable/thesaurus/synonyms>