unpardonable

adjective

un·​par·​don·​able
ˌən-ˈpärd-nə-bəl
-ˈpär-dᵊn-ə-bəl How to pronounce unpardonable (audio)
Synonyms of unpardonablenext
: too bad to be pardoned or forgiven : not pardonable : unforgivable
unpardonable behavior
an unpardonable sin
unpardonably
ˌən-ˈpärd-nə-blē
-ˈpär-dᵊn-ə-blē How to pronounce unpardonable (audio)
adverb

Examples of unpardonable in a Sentence

regards cruelty to animals as an unpardonable sin
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Attacking innocent citizens, in this case tourists, is utterly appalling and unpardonable. Ross Rosenfeld, MSNBC Newsweek, 22 Apr. 2025 Alone in George’s office, Roger commits the unpardonable offense of reading his notebook. Rafaela Bassili, Vulture, 20 Feb. 2025 Trump’s explicit threats against the Bidens, and his record of trying to politicize the Justice Department and FBI, almost justify an unpardonable pardon, columnist Jackie Calmes writes. Ryan Fonseca, Los Angeles Times, 6 Dec. 2024 In her small and deeply Catholic community, suicide is an unpardonable sin, so a horrible crime lures her with the promise of escape. Taylor Antrim, Vogue, 29 Sep. 2024

Word History

First Known Use

1525, in the meaning defined above

Time Traveler
The first known use of unpardonable was in 1525

Browse Nearby Words

Cite this Entry

“Unpardonable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpardonable. Accessed 6 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster