83 entries under adjective topic. ×

2
unconscionable(extreme, improper, senseless, excessive)
2
unfounded
2
unlawful(extreme, irregular, improper, extravagant)
2
untenable
2
wrongful(extreme, irregular, improper, extravagant)
1
absonant(extreme, improper, senseless, excessive)
1
arbitrary(unreasonable, extreme, improper, stiff)
1
costing an arm and a leg(expression, idiom, extreme, improper)
1
dear(extreme, improper, senseless, excessive)
1
exceeding(unreasonable, improper, excessive, major)
1
excessive(extreme, improper, senseless, unwarranted)
1
exorbitant(extreme, improper, senseless, excessive)
1
extortionate(extreme, improper, senseless, excessive)
1
extralegal(irregular, unwarranted, criminal, illegal)
1
extravagant(improper, excessive, unwarranted, unnecessary)
1
extreme(improper, senseless, excessive, unwarranted)
1
far-out(unreasonable, extreme, improper, stiff)
1
forbidden(unreasonable, irregular, improper, excessive)
1
immoderate(extreme, improper, senseless, excessive)
1
inept(unreasonable, improper, unwarranted, unnecessary)
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APASmart Define. (2015). unwarrantable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unwarrantable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwarrantable thesaurus" https://smartdefine.org/unwarrantable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unwarrantable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unwarrantable/thesaurus/synonyms>.
MLASmart Define. "unwarrantable thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unwarrantable/thesaurus/synonyms>