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

Cheap cliffhanger ending aside, the rest of the episode proves an emotionally satisfying kickoff for the final stretch of the season, laying Joe’s only shot at redemption, both mortally and spiritually, at the feet of her team. — Andy Andersen, Vulture, 6 Sep. 2026

Gunshots were exchanged, leaving Knight injured and Shakur mortally wounded; Shakur died days later from his injuries. — Kevin Dolak, HollywoodReporter, 21 Aug. 2026

In emergency medicine, triage prioritizes care for the mortally wounded and injured first. — Literary Hub, 6 Aug. 2026

The Platner campaign, mortally wounded but still breathing, is fighting with the state party over a successor. — David Weigel, semafor.com, 8 July 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1