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.

Fable comes with broad restrictions Anthropic says are aimed at kneecapping its ability to assist users with potentially dangerous activities.

From The Wall Street Journal • Jun. 11, 2026

They have got some excellent technical players and will be dangerous, whoever they play - and I am going to back them again to beat the Dutch.

From BBC • Jun. 10, 2026

A mother and her two children were swept away into the ocean in Laguna Beach on Tuesday evening, and one of the children remains missing, after powerful waves created dangerous conditions, authorities said.

From Los Angeles Times • Jun. 10, 2026

Coal mines often leach dangerous chemicals like arsenic into waterways and are required to strictly monitor pollution discharge and keep it under certain limits.

From Salon • Jun. 10, 2026

It wasn’t until Buzz, Dan, and the boys heard the crew’s relief that they realized how dangerous the situation had been near the ground.

From "Mountain of Fire" by Rebecca E. F. Barone

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