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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

Africa has 10 teams in the tournament, and Senegal and Morocco stand out as the most dangerous of the group.

From Los Angeles Times • Jun. 7, 2026

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

From Barron's • Jun. 2, 2026

KAMPALA, Uganda—Health officials are rushing to contain a deadly Ebola outbreak in what is already one of the most dangerous corners of the world.

From The Wall Street Journal • May 19, 2026

He’s seen me slice up demons and leap out of exploding school buildings, so he probably figured taking a car a few hundred yards wasn’t exacdy the most dangerous thing I’d ever done.

From "The Last Olympian" by Rick Riordan