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Definitions

deathly

[deth-lee] / ˈdɛθ li /
ADJECTIVE
suggesting end of life
Synonyms
WEAK
appalling cadaverous corpselike deathlike defunctive dreadful gaunt ghastly grim gruesome haggard horrible macabre pale pallid wan wasted
Antonyms
WEAK
animated beginning benign blooming blossoming harmless healthful healthy life-giving lively strengthening
ADJECTIVE
fatal
Synonyms
WEAK
deadly extreme intense lethal mortal mortiferous noxious pestilent pestilential terrible
Antonyms
WEAK
animated beginning benign blooming blossoming harmless healthful healthy life-giving lively strengthening

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.

The atmosphere among those who came to mourn the tragedy was deathly quiet.

From Barron's • Jan. 1, 2026

It’s no surprise that many Latinos are obsessed with all things haunted, deathly and Halloween.

From Los Angeles Times • Oct. 30, 2025

Brad Jacobs, the billionaire CEO of building-products distributor QXO, devoted a chapter in his book to “electric meetings,” noting many gatherings are deathly dull and full of passive listeners.

From The Wall Street Journal • Oct. 28, 2025

He could have been totally fine, or he could have gotten deathly ill.

From Salon • Aug. 16, 2025

All was so deathly quiet inside the red church that Meggie thought she could hear Basta breathing behind her.

From "Inkheart" by Cornelia Funke

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.