adj
unforgivable
adj
1
Too bad to be excused or forgiven.
"Lying to his own family was unforgivable."
"The referee made an unforgivable error in the final minute."
How to Use Unforgivable
Learner’s notesIn plain EnglishSo wrong or serious that it cannot be forgiven or excused.
Common pairings
unforgivable mistake
unforgivable sin
simply unforgivable
Word Forms
more unforgivable comparative, most unforgivable superlative
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Lying to his own family was _____.
Etymology
From un- + forgivable.