mortally

adverb

mor·​tal·​ly ˈmȯr-tᵊl-ē 

1

: in a deadly or fatal manner : to death

mortally wounded

2

: to an extreme degree : intensely

mortally afraid

Synonyms of mortally

• terribly
• extremely
• very
• incredibly
• severely
• highly
• badly
• too
• damned
• so
• desperately
• damn
• really
• seriously
• greatly
• intensely
• far
• wildly
• heavily

Examples of mortally in a Sentence

I'm mortally certain that I've seen that guy before.

Recent Examples on the Web

Harwood was struck three times, and Morisson was struck once, mortally wounding both. — Nick Penzenstadler, USA Today, 19 Apr. 2026

At one moment, the grandmother’s car knocks down an animal, maybe a goat, leaving it mortally wounded. — John Hopewell, Variety, 8 Apr. 2026

The bullet struck the officer below his bulletproof vest, mortally wounding him. — ABC News, 27 Apr. 2026

Extremely mad bordering on mortally offended in Pittsburgh, where Dan Muse claimed Crosby had never been given an embellishment penalty in 21 years. — Sean McIndoe, New York Times, 16 June 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1