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.

Morocco were as dangerous as everybody expected them to be.

From BBC • Jun. 20, 2026

The team also discovered that EXO1 works alongside another protein called MRE11 to enlarge DNA gaps and generate dangerous DNA breaks.

From Science Daily • Jun. 20, 2026

Doctors warn that measles is especially dangerous for babies who are too young to be vaccinated.

From Los Angeles Times • Jun. 19, 2026

“The most dangerous course of action right now is to stand still and to remain in a human-driven world,” Stanley said.

From The Wall Street Journal • Jun. 19, 2026

Some people might think a half name would make a person addled in the brain or even dangerous.

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

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