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.

The most dangerous band in Los Angeles has played a few dozen shows in its career.

From Los Angeles Times • Apr. 15, 2026

"The potentially dangerous harvester ants even permit the visitors to groom between their open jaws."

From Science Daily • Apr. 14, 2026

Experts are blaming the trend on a sharp increase in the noble false widow spider, which has been described as "the most dangerous spider breeding in Britain".

From BBC • Apr. 13, 2026

“But if the next step is a naval clash, attacks on Gulf energy infrastructure, or a widening of regional military operations, then the market will start to price a much more dangerous scenario,” she cautioned.

From Barron's • Apr. 13, 2026

They were restless and bored, and that was a dangerous state for Frederick and Bruno.

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

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