62 entries under adjective topic. ×

1
needless(useless, extra, unwarranted, unnecessary)
1
not necessary(expression, senseless, unwarranted, wanton)
1
senseless
1
supererogatory(casual, useless, extra, senseless)
1
superfluous(casual, useless, extra, senseless)
1
uncalled-for(false, casual, useless, extra)
1
unessential(extra, unwarranted, pointless, wanton)
1
unsupportable(senseless, unwarranted, wanton, superfluous)
0
careless
0
foolish
0
foundationless(false, unwarranted, justification, unsupported)
0
indefensible(senseless, unwarranted, wanton, superfluous)
0
justification(false, unwarranted, unsupported, baseless)
0
meaningless
0
uncalled for(expression, unsupported, unfounded, groundless)
0
uncreated
0
unjustified(unwarranted, wanton, unsupported, unfounded)
0
unmerited(unwarranted, wanton, unfounded, uncalled-for)
0
unneeded
0
unrequired
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APASmart Define. (2015). causeless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/causeless/thesaurus/synonyms
ChicagoSmart Define. 2015. "causeless thesaurus" https://smartdefine.org/causeless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, causeless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/causeless/thesaurus/synonyms>.
MLASmart Define. "causeless thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/causeless/thesaurus/synonyms>