10 entries under irrelevant topic. ×

9
unnecessary(adjective, unimportant, extra, petty)
7
extraneous(adjective, extra, petty, unconnected)
5
inessential(adjective, extra, minor, petty, unnecessary)
3
nonessential(adjective, important, extra, unnecessary)
2
additional(adjective, extra, unnecessary, superfluous)
2
extra(adjective, unnecessary, superfluous, unconnected)
2
superfluous(adjective, extra, petty, unnecessary)
2
unrelated(adjective, unconnected)
1
foreign(unnecessary, superfluous, unconnected, outside)
1
supplementary(extra, unnecessary, superfluous, unconnected)
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APASmart Define. (2015). peripheral thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/peripheral/thesaurus/synonyms
ChicagoSmart Define. 2015. "peripheral thesaurus" https://smartdefine.org/peripheral/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, peripheral thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/peripheral/thesaurus/synonyms>.
MLASmart Define. "peripheral thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/peripheral/thesaurus/synonyms>