Definitions

deadly

[ded-lee] / ˈdɛd li /

ADJECTIVE

causing end of life

Synonyms

STRONGEST

bloody carcinogenic cruel dangerous destructive fatal harmful lethal malignant mortal murderous noxious pernicious poisonous savage suicidal toxic violent virulent

WEAK

baleful baneful bloodthirsty cannibalistic death-dealing deathly deleterious destroying grim homicidal injurious internecine killing mortiferous pestiferous pestilent pestilential ruthless slaying unrelenting venomous

Antonyms

STRONGEST

benign calm gentle harmless healthy helpful kind life-giving nice nonpoisonous wholesome

WEAK

animating energizing healthful invigorating lively

ADJECTIVE

ghostly

Synonyms

STRONGEST

ghastly

WEAK

ashen corpselike dead deadened deathful deathlike deathly pallid wan white

Antonyms

WEAK

animating energizing harmless healthful healthy invigorating lively wholesome

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.

This is the moment rescuers pulled a newborn baby from beneath the rubble of a collapsed building, after two deadly earthquakes hit Venezuela.

From BBC • Jun. 27, 2026

The Palisades fire and Eaton fire, which destroyed thousands of homes and businesses in the Altadena suburb of Los Angeles, are among the most destructive and deadly wildfires in state history.

From The Wall Street Journal • Jun. 26, 2026

The deadly European heatwave was forecast to shift east on Friday, choking 150 million people with temperatures of 35C.

From Barron's • Jun. 26, 2026

Prosecutors said the Lachman fire smoldered underground for a week before exploding into the deadly Palisades fire.

From Los Angeles Times • Jun. 25, 2026

Staphylococci bacteria are the other half of the deadly duo of opportunistic bacteria.

From "Phineas Gage" by John Fleischman

deadly

Example Sentences

Related Words