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.

Anthropic found that the model engaged in a behavior called “alignment faking” — deliberately disguising its true reasoning and dangerous capabilities to avoid being restricted by people.

From MarketWatch • Apr. 18, 2026

They disdain raw milk as dangerous and ask instead that we appreciate the role of pasteurization and fortified bread, to name two examples, in reducing nutritional deficiencies and food-borne illnesses.

From The Wall Street Journal • Apr. 17, 2026

In addition, for years, consumer groups have warned that poor quality, dangerous products are being sold through online marketplaces to consumers searching for a deal.

From BBC • Apr. 15, 2026

The most dangerous band in Los Angeles has played a few dozen shows in its career.

From Los Angeles Times • Apr. 15, 2026

Nim loved the ocean because it was always there, wherever she looked and as far as she could see, but it was too huge and powerful to understand and too dangerous to trust.

From "Nim’s Island" by Wendy Orr

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