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.

He’s a 10-time Pro Bowl selection whose moon ball is one of the prettiest, most dangerous downfield passes in league history.

From Los Angeles Times • Jun. 4, 2026

NAIROBI—A rare strain of Ebola has reached a corner of the Democratic Republic of Congo controlled by Islamic State militants, a place too dangerous for health workers fighting to stop the deadly virus.

From The Wall Street Journal • Jun. 3, 2026

Facebook recommendations from your “friends” are worthless if not dangerous.

From MarketWatch • Jun. 3, 2026

You're a dangerous team in transition because of the speed you always have in the top line - Ghana have had that for a number of years.

From BBC • Jun. 2, 2026

There couldn’t be any dangerous viruses in the cave, could there?

From "Found" by Margaret Peterson Haddix

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