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

• achingly
• almighty
• archly
• awful
• awfully
• badly
• beastly
• blisteringly
• bone
• colossally
• corking
• cracking
• damn
• damned
• dang
• deadly
• desperately
• eminently
• enormously
• especially
• ever
• exceedingly
• exceeding
• extra
• extremely
• fabulously
• fantastically
• far
• fiercely
• filthy
• frightfully
• full
• greatly
• heavily
• highly
• hugely
• immensely
• incredibly
• intensely
• jolly
• majorly
• mightily
• mighty
• monstrous [chiefly dialect]
• most
• much
• particularly
• passing
• rattling
• real
• really
• right
• roaring
• roaringly
• seriously
• severely
• so
• sore
• sorely
• spanking
• specially
• stinking
• such
• super
• supremely
• surpassingly
• terribly
• that
• thumping
• too
• unco
• uncommonly
• vastly
• very
• vitally
• way
• whacking
• wicked
• wildly

Examples of mortally in a Sentence

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

Recent Examples on the Web

So a lot of those people were either mortally wounded or killed by that initial explosion, and then perhaps were scavenged by sharks. —ArsTechnica, 20 June 2025

Police were quickly called to the scene, which was just steps away from the 90th Precinct stationhouse, and found Rivas mortally wounded outside the auto repair shop. —Sheetal Banchariya, New York Daily News, 11 June 2025

The book ends with a battle in which Arthur and his illegitimate son, Mordred, who has unlawfully seized the throne, mortally wound each other; its pages are covered in blood and glory. —The New Yorker, New Yorker, 11 June 2025

The camera travels outside, where Foggy Nelson (Elden Henson) lays on the ground, mortally wounded, then back into the bar, following Daredevil and Bullseye’s fight up the back staircase and on to the roof. —Todd Longwell, Variety, 10 June 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1