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.

That's where many residents are still dealing with the fallout from the discovery that their homes were built with a potentially dangerous building material.

From BBC • Jun. 10, 2026

The incident occurred while much of the Southern California coast is experiencing dangerous conditions.

From Los Angeles Times • Jun. 10, 2026

Anthropic is releasing a next-generation “Mythos-class” model to the general public with guardrails that remove dangerous capabilities related to areas such as cybersecurity and biological research.

From The Wall Street Journal • Jun. 9, 2026

That’s real hope amid this dangerous, uncertain moment.

From Salon • Jun. 9, 2026

Old Rowdy had made a complete circle around me, and I knew that if the tracks of anything dangerous had crossed the line of that circle, he would have let me know about it.

From "Summer of the Monkeys" by Wilson Rawls

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