26 entries under unnecessary topic. ×

11
indefensible(adjective, unwarranted, unjustified, undeserved)
10
unjustifiable(adjective, wrong, unreasonable, extreme, improper)
5
illegal(adjective, wrong, unreasonable, improper, excessive)
5
undue(adjective, unreasonable, extreme, improper, senseless)
5
unreasonable(adjective, wrong, improper, excessive, unwarranted)
4
unjustified(adjective, wrong, improper, excessive, unwarranted)
3
improper(adjective, wrong, extreme, stiff, extravagant)
2
unconscionable(adjective, extreme, improper, senseless, excessive)
1
exceeding(adjective, unreasonable, improper, excessive, major)
1
excessive(adjective, extreme, improper, senseless, unwarranted)
1
exorbitant(adjective, extreme, improper, senseless, excessive)
1
extravagant(adjective, improper, excessive, unwarranted)
1
extreme(adjective, improper, senseless, excessive, unwarranted)
1
forbidden(adjective, unreasonable, irregular, improper, excessive)
1
immoderate(adjective, extreme, improper, senseless, excessive)
1
inept(adjective, unreasonable, improper, unwarranted)
1
inordinate(adjective, extreme, improper, senseless, excessive)
1
intemperate(adjective, unreasonable, extreme, improper, extravagant)
1
overmuch(adjective, extreme, improper, senseless, excessive)
1
sinister(adjective, unreasonable, improper, excessive, unwarranted)
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APASmart Define. (2015). unwarrantable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unwarrantable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwarrantable thesaurus" https://smartdefine.org/unwarrantable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unwarrantable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unwarrantable/thesaurus/synonyms>.
MLASmart Define. "unwarrantable thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unwarrantable/thesaurus/synonyms>