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.

Still, sifting through BDCs for winners feels like a dangerous business right now.

From Barron's • May 21, 2026

A self-styled "beauty consultant" allegedly allowed "dangerous" cosmetic procedures to be carried out despite a legal injunction against him, a court has heard.

From BBC • May 20, 2026

Wind-driven fires on a dry landscape are extremely dangerous, as multiple fast-moving wildfires in the last two years have shown.

From Los Angeles Times • May 19, 2026

It set him on a dangerous crash course with Beijing.

From The Wall Street Journal • May 19, 2026

He smiled, but it was a dangerous smile.

From "Found" by Margaret Peterson Haddix

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