38 entries under adjective topic. ×

13
indefensible(wrong, accusation, vice, forgiveness)
12
inexcusable(wrong, accusation, vice, forgiveness)
11
unjustifiable(unwarranted, accusation, vice, forgiveness)
10
unforgivable(wrong, awful, terrible, unwarranted)
8
inexpiable(vice, inexcusable, unforgivable)
5
reprehensible(inexcusable, unforgivable)
4
intolerable
4
unwarrantable
3
unconscionable(wrong, indefensible, unwarrantable)
3
untenable(indefensible, inexcusable, unwarrantable)
2
unreasonable
2
blameworthy
2
disgraceful
2
execrable
2
shameful
2
unallowable
2
unwarranted
2
wrong(indefensible, inexcusable, unwarrantable)
1
beyond the pale(expression, idiom, indefensible, unwarrantable)
1
deplorable
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APASmart Define. (2015). unpardonable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unpardonable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpardonable thesaurus" https://smartdefine.org/unpardonable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unpardonable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unpardonable/thesaurus/synonyms>.
MLASmart Define. "unpardonable thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unpardonable/thesaurus/synonyms>