6
unforgivable
4
unpardonable(adjective, understandable, unforgivable)
2
inexcusable(adjective, forgivable)
2
indefensible
1
unjustifiable
0
unwarrantable
0
biggest
0
criminal
0
evil
0
governing
0
heinous
0
inexpiable
0
insupportable
0
largest
0
mortal
0
overruling
0
paramount
0
prevailing
0
ruling
0
sinful
<12>
11 years ago|372 views|share |citing 
APASmart Define. (2015). forgivable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/forgivable/thesaurus/antonyms
ChicagoSmart Define. 2015. "forgivable thesaurus" https://smartdefine.org/forgivable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, forgivable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/forgivable/thesaurus/antonyms>.
MLASmart Define. "forgivable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/forgivable/thesaurus/antonyms>