4
unpardonable(adjective, understandable, unforgivable)
2
indefensible
2
inexcusable
2
unforgivable
2
unjustifiable
1
dreadful
0
deadly
0
inexpiable
0
insupportable
0
mortal
0
unwarrantable
0
abominable
0
appalling
0
awful
0
baseless
0
beyond the pale(expression, idiom)
0
criminal
0
damning
0
deplorable
0
groundless
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APASmart Define. (2015). pardonable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/pardonable/thesaurus/antonyms
ChicagoSmart Define. 2015. "pardonable thesaurus" https://smartdefine.org/pardonable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, pardonable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/pardonable/thesaurus/antonyms>.
MLASmart Define. "pardonable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/pardonable/thesaurus/antonyms>