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.

"Breaking through 1.5C means we enter a far more dangerous world - with more frequent and intense droughts, floods, fires and heatwaves - and we are already approaching critical tipping points in major Earth systems."

From BBC • Apr. 24, 2026

Let’s state the obvious: Vrabel’s attempting to thread a dangerous needle, trying to show accountability without further embarrassment to his family.

From The Wall Street Journal • Apr. 24, 2026

But I say, ‘I don’t mind stepping into the dangerous places. I don’t mind failing or exploring publicly.’

From Los Angeles Times • Apr. 22, 2026

Anthropic’s Mythos AI model, deemed too dangerous for public release, initially caused cybersecurity stocks to fall.

From Barron's • Apr. 21, 2026

Tansy’s eyes closed to a pair of dangerous slits.

From "The Teacher’s Funeral" by Richard Peck

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