17 entries under extra topic. ×

9
unnecessary(adjective, unimportant, petty, irrelevant)
8
unimportant(adjective, silly, foolish, trivial)
7
extraneous(adjective, petty, irrelevant, unconnected)
5
inessential(adjective, minor, petty, unnecessary)
4
dispensable(adjective, unimportant, petty, unnecessary)
3
insignificant(adjective, minor, petty, unnecessary)
3
nonessential(adjective, important, unnecessary, irrelevant)
2
additional(adjective, unnecessary, irrelevant, superfluous)
2
superfluous(adjective, petty, unnecessary, irrelevant)
2
trivial(adjective, slight, detail, silly, foolish)
2
unneeded(adjective, unnecessary)
1
expendable(adjective, petty, unnecessary)
1
petty(adjective, silly, foolish, trivial)
1
supplementary(unnecessary, irrelevant, superfluous, unconnected)
0
deadwood(petty, unnecessary)
0
excess baggage(expression, petty, unnecessary)
0
excessive(petty, unnecessary)
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APASmart Define. (2015). peripheral thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/peripheral/thesaurus/synonyms
ChicagoSmart Define. 2015. "peripheral thesaurus" https://smartdefine.org/peripheral/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, peripheral thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/peripheral/thesaurus/synonyms>.
MLASmart Define. "peripheral thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/peripheral/thesaurus/synonyms>