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.

"This tragedy once again underscores the need to find solutions to prevent dangerous journeys," it said on X.

From Barron's • May 3, 2026

Eventually he decided it was too dangerous to leave the man in the shop, in case he attacked the staff, and moved aside.

From BBC • May 3, 2026

Suddenly, buying Iranian crude was too dangerous for China’s national oil companies and the product became a discounted commodity.

From The Wall Street Journal • May 2, 2026

It allows dangerous microbes to persist in drinking water systems and potentially spread more easily.

From Science Daily • May 2, 2026

"You certainly did. We all need to be reminded about how dangerous fire can be, right?"

From "All About Sam" by Lois Lowry

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