The word "unpardonable" in English means: Too bad to be forgiven; not able to be excused., So bad or unacceptable that it cannot be forgiven or tolerated..
The phonetic transcription of "unpardonable" is /ʌnˈpɑːrdənəbl/ in British English and /ʌnˈpɑːrdənəbl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unpardonable": inexcusable, indefensible, unforgivable.
Example usage of "unpardonable": "His behavior was unpardonable, and I can't forgive him.". More examples on the page.