1
evil
1
exceeding(adjective, unreasonable, improper, excessive, unwarranted)
1
extraordinary
1
far-out(adjective, unreasonable, extreme, improper, stiff)
1
faulty
1
flawed
1
flimsy
1
forbidden(adjective, unreasonable, improper, excessive, unwarranted)
1
hysterical
1
illegitimate(adjective, unreasonable, extreme, improper, stiff)
1
implausible
1
imputable
1
inept(adjective, unreasonable, improper, unwarranted, unseemly)
1
inexperienced
1
inexplicable(adjective, defended, verbal attack)
1
intemperate(adjective, unreasonable, extreme, improper, stiff)
1
invalid
1
irrationality
1
motiveless
1
not forgivable
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APASmart Define. (2015). unjustifiable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unjustifiable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unjustifiable thesaurus" https://smartdefine.org/unjustifiable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unjustifiable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unjustifiable/thesaurus/synonyms>.
MLASmart Define. "unjustifiable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unjustifiable/thesaurus/synonyms>