6
excessive(adjective, extreme, improper, senseless, unwarranted)
6
extreme(adjective, improper, senseless, excessive, unwarranted)
6
immoderate(adjective, extreme, improper, senseless, excessive)
6
outrageous(adjective, defended, verbal attack)
6
uncalled-for(adjective, extreme, improper, stiff, extravagant)
6
unjust(adjective, unreasonable, extreme, improper, extravagant)
5
absurd(adjective, defended, verbal attack)
5
exorbitant(adjective, extreme, improper, senseless, excessive)
5
unsound(adjective, defended, verbal attack)
4
foul(adjective, unreasonable, improper, unwarranted, prejudiced)
4
heedless
4
inequitable(adjective, unreasonable, improper, unwarranted, prejudiced)
4
irrational(adjective, defended, verbal attack)
4
objectionable(adjective, wrong, defended, verbal attack)
4
reckless(adjective, careless)
4
ridiculous(adjective, defended, verbal attack)
4
wrong(adjective, unwarranted, unnecessary, iniquitous, unjust)
3
biased(adjective, unreasonable, improper, unwarranted, prejudiced)
3
illogical(adjective, defended, verbal attack)
3
immoral(wrong, unwarranted, iniquitous, unjust)
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APASmart Define. (2015). unjustifiable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unjustifiable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unjustifiable thesaurus" https://smartdefine.org/unjustifiable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unjustifiable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unjustifiable/thesaurus/synonyms>.
MLASmart Define. "unjustifiable thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unjustifiable/thesaurus/synonyms>