118 entries under adjective topic. ×

2
unmerited(unwarranted, iniquitous, unjust, unjustified)
2
unsportsmanlike
2
unsupportable
2
venal
1
costing an arm and a leg(expression, idiom, extreme, improper)
1
deplorable
1
exceeding(unreasonable, improper, excessive, unwarranted)
1
extraordinary
1
far-out(unreasonable, extreme, improper, stiff)
1
faulty
1
flawed
1
flimsy
1
forbidden(unreasonable, improper, excessive, unwarranted)
1
illegitimate(unreasonable, extreme, improper, stiff)
1
implausible
1
inept(unreasonable, improper, unwarranted, unseemly)
1
inexplicable(defended, verbal attack)
1
intemperate(unreasonable, extreme, improper, stiff)
1
motiveless
1
out of bounds(expression, idiom, extreme, improper)
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APASmart Define. (2015). unjustifiable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unjustifiable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unjustifiable thesaurus" https://smartdefine.org/unjustifiable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unjustifiable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unjustifiable/thesaurus/synonyms>.
MLASmart Define. "unjustifiable thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unjustifiable/thesaurus/synonyms>