10 entries under extra topic. ×

3
gratuitous(adjective, false, useless, worthless)
3
unnecessary(adjective, useless, excessive, unwarranted)
2
wanton(adjective, unwarranted, unnecessary, pointless)
1
dispensable(adjective, casual, useless, excessive)
1
inessential(adjective, useless, unwarranted, unnecessary)
1
needless(adjective, useless, unwarranted, unnecessary)
1
supererogatory(adjective, casual, useless, senseless)
1
superfluous(adjective, casual, useless, senseless)
1
uncalled-for(adjective, false, casual, useless)
1
unessential(adjective, unwarranted, pointless, wanton)
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APASmart Define. (2015). causeless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/causeless/thesaurus/synonyms
ChicagoSmart Define. 2015. "causeless thesaurus" https://smartdefine.org/causeless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, causeless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/causeless/thesaurus/synonyms>.
MLASmart Define. "causeless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/causeless/thesaurus/synonyms>