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most dangerous

ADJECTIVE

hazardous, troubling

Synonyms

STRONGEST

alarming bad critical deadly fatal nasty perilous precarious risky serious terrible threatening treacherous ugly unhealthy unsafe unstable

WEAK

breakneck chancy dangersome delicate dynamite exposed formidable hairy heavy hot impending impregnable insecure jeopardous loaded malignant menacing mortal on collision course parlous portentous pressing queasy serpentine shaky speculative thorny ticklish touch-and-go touchy urgent viperous vulnerable wicked

Antonyms

STRONGEST

OK agreeable certain good great happy harmless healthful healthy honest kind nice pleasant pleasing safe secure stable strong sure trivial true unimportant wholesome wonderful

WEAK

careful guarded unhazardous untroubled

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.

Here’s the uncomfortable truth about risk: It disappears from view exactly when it’s most dangerous.

From MarketWatch • Jun. 11, 2026

Bannon has called AI "the most dangerous technology in the history of mankind."

From Barron's • Jun. 2, 2026

Khvicha Kvaratskhelia, an explosive right-footed left winger is one of football's most dangerous players, and Arsenal will need to keep him quiet.

From BBC • May 30, 2026

His mother, whom J. Edgar Hoover would call “the most dangerous woman in America,” was born into a middle-class home and grew up in a suburb north of Milwaukee.

From The Wall Street Journal • May 29, 2026

You do not have to be the largest or most dangerous fighter, Ekon, the old man had once said to him.

From "Beasts of Prey" by Ayana Gray