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.

When you're able to go out there and swing free, that's when you're at your most dangerous.

From BBC • Jul. 2, 2026

But the most dangerous use of AI in warfare to date has been not as a targeting system, but as an accountability sink.

From Salon • Jun. 22, 2026

The U.S. showed that 2-0 doesn’t have to be “the most dangerous lead in soccer.”

From Los Angeles Times • Jun. 20, 2026

Such is the way of “the world’s most dangerous morning show.”

From The Wall Street Journal • Jun. 18, 2026

Oleg Gordievsky's career as a double agent had landed him right in the middle of one of the most dangerous standoffs of the Cold War—and into scalding-hot water with the KGB.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau