unforgivable

adjective

un·​for·​giv·​able ˌən-fər-ˈgi-və-bəl 

-fȯr-

: too bad to be forgiven : not forgivable

an unforgivable crime/sin/error

Such boldness on the part of a man of my own class would have been almost unforgivable.

—Jack London

unforgivably

ˌən-fər-ˈgi-və-blē 

-fȯr-

adverb

Synonyms of unforgivable

• unacceptable
• inexcusable
• unpardonable
• unjustifiable
• outrageous
• indefensible
• unwarrantable

Examples of unforgivable in a Sentence

an unforgivable crime that society must seek just punishment for

they considered their friend's selfish behavior unforgivable

Recent Examples on the Web

As the only game with a total below 40, this will be aesthetically unforgivable. — J.j. Bailey, New York Times, 9 Sep. 2026

Poor Maisie Williams, meanwhile, gets stranded in a hospital room watching Maridueña lay around in a coma — unforgivable even if her character is a doctor. — Todd Gilchrist, Variety, 8 Sep. 2026

The next drive ended with another Sagapolutele pick — this one unforgivable — and that was followed by an eight-play, four-minute UCLA clinic to ice the game. — Dieter Kurtenbach, Mercury News, 6 Sep. 2026

Had children been in the picture, though, Honnold’s death-defying acts would be unforgivable. — Richard Lawson, HollywoodReporter, 3 Sep. 2026

Word History

First Known Use

1548, in the meaning defined above

Rhymes for unforgivable

• derivable
• livable