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deadliest

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.

DR Congo's deadliest outbreak was between 2018 and 2020, during which nearly 2,300 people died.

From BBC • May 15, 2026

In 2022, 19 people died in Riverside County jails, making them among the deadliest in the nation.

From Los Angeles Times • May 9, 2026

Liu's indictment comes in the wake of widely reported findings from a United States investigation into the crash, which was China's deadliest air disaster in decades.

From Barron's • May 8, 2026

The deadliest single incident of the war was still to come: a U.S. mistake.

From The Wall Street Journal • May 5, 2026

She was caught in one of the deadliest disasters in the history of Boston.

From "I Survived the Great Molasses Flood, 1919" by Lauren Tarshis