Dictionary.com
Thesaurus.com
Synonyms

unpardonable

British  
/ ʌnˈpɑːdənəbəl /

adjective

  1. not excusable; disgraceful

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As Sook tells a shamed Buddy, “there is only one unpardonable sin—deliberate cruelty. All else can be forgiven.”

From The Wall Street Journal • Nov. 21, 2025

After last November's guilty verdict from a jury in Los Angeles, US Attorney Martin Estrada said the deaths had been caused by the ship captain's "unpardonable cowardice".

From BBC • May 2, 2024

But alleged mistreatment of a spouse is, for many younger fans of comedy, an unpardonable sin.

From Salon • May 3, 2023

Partnership with government, at any level during my tenure with Meg and Fred, was as unthinkable as it would have been unpardonable.

From Washington Post • Dec. 10, 2021

He was warm in his reprobation of Mr. Elton’s conduct; it had been unpardonable rudeness; and Mrs. Elton’s looks also received the due share of censure.

From "Emma" by Jane Austen

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "unpardonable" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com