9
inexcusably(adverb, unpardonably)
8
unpardonably(adverb, inexcusably)
2
indefensibly(adverb, inexcusably, unpardonably)
2
irremissibly
2
unjustifiably(adverb, inexcusably, unpardonably)
1
disgracefully
1
excessively
1
execrably
1
intolerably
1
partially
1
unduly
1
unevenly
1
unforgivable
1
unreasonably
1
untenably
1
unwarrantably
1
unwarrantedly
0
appallingly
0
awfully
0
badly
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APASmart Define. (2015). unforgivably thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unforgivably/thesaurus/synonyms
ChicagoSmart Define. 2015. "unforgivably thesaurus" https://smartdefine.org/unforgivably/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unforgivably thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unforgivably/thesaurus/synonyms>.
MLASmart Define. "unforgivably thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unforgivably/thesaurus/synonyms>