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.

"It was dangerous cancer that I'd already been left with for longer than I should have been," she said.

From BBC • May 26, 2026

Walking and typing is dangerous, but walking and talking like a maniac into my own recorder is merely antisocial.

From Slate • May 24, 2026

By improving scientists' understanding of these unusual solar events, the research may also strengthen space weather forecasting, helping protect satellites and spacecraft from dangerous solar activity.

From Science Daily • May 23, 2026

Other men have formed close bonds with their chatbots and developed dangerous delusions in the process.

From The Wall Street Journal • May 23, 2026

It was a little crazy, and dangerous perhaps, but I had to do something.

From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff

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