Definitions

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.

We look more dangerous when they go on the outside then put crosses in, like Bellingham did for Kane's goal.

From BBC • Jun. 29, 2026

“The only thing that matters is that the State knew it was dangerous and failed to do anything about it.”

From Los Angeles Times • Jun. 29, 2026

As millions of Americans brace for a dangerous heat wave this week, energy experts say they should prepare their wallets, too.

From MarketWatch • Jun. 29, 2026

The radical, dangerous and merely stupid are not only permissible but mandatory.

From The Wall Street Journal • Jun. 28, 2026

It was too dangerous to hate the Nazis.

From "Not Nothing" by Gayle Forman

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