143 entries under adjective topic. ×

5
uncalled-for(spare, extreme, useless, extra)
5
unneeded(spare, extreme, casual, useless)
5
unrequired(spare, extreme, casual, useless)
4
adventitious(outside, extrinsicality)
4
casual(slight, lower, value, inferior)
4
impertinent(insignificant, unimportant, unwarranted, inconsequential)
4
inapplicable(insignificant, unimportant, inconsequential, irrelevant)
4
inappropriate(insignificant, unimportant, useless, unwarranted)
4
irrelevant(adverb, mean, slight, lower)
4
supererogatory(spare, extreme, extra, surplus)
3
extra(noun, spare, treat, extreme)
3
inadmissible
3
luxury(noun, extra, unnecessary, plush)
3
minor(mean, slight, lower, value)
3
other
3
parenthetical
3
petty(mean, slight, lower, value)
3
secondary(lower, inferior, casual, unimportant)
2
additional(casual, useless, extra, worthless)
2
alien
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APASmart Define. (2015). nonessential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/nonessential/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonessential thesaurus" https://smartdefine.org/nonessential/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, nonessential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/nonessential/thesaurus/synonyms>.
MLASmart Define. "nonessential thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/nonessential/thesaurus/synonyms>