dangerous

[deyn-jer-uhs, deynj-ruhs] / ˈdeɪn dʒər əs, ˈdeɪndʒ rəs /

ADJECTIVE

hazardous, troubling

Synonyms

STRONGEST

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

STRONG

no-go

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.

He might be overbet because of the buzz, but there’s no doubt he’s dangerous.

From Los Angeles Times • Apr. 29, 2026

"As a solution to cancer, cancer prevention is clearly much better than cancer treatment, so we hope we can spot dangerous chemicals before people are exposed, and therefore prevent extensive cancer risk."

From Science Daily • Apr. 29, 2026

"This is extremely dangerous," Parnas told his followers.

From Barron's • Apr. 28, 2026

In the historic setting of the Capitol building, the King warned that the two nations had to stand together in this "more volatile, more dangerous" era.

From BBC • Apr. 28, 2026

“I would climb mountains and traverse dangerous cliff paths. I would poke my head into dark caves and push over heavy boulders.”

From "The Very, Very Far North" by Dan Bar-el

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