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 judge said Follows had been told about her then 16-year-old son's dangerous driving in the community but had "done nothing".

From BBC • Apr. 14, 2026

Professor David Lalloo, from the Liverpool School of Tropical Medicine says the bites from false widow spiders "are not dangerous".

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

The FDA has long warned against consuming raw, unpasteurized milk, citing risks of dangerous bacteria such as salmonella, listeria and E. coli that can lead to severe illness or, in rare cases, death.

From The Wall Street Journal • Apr. 11, 2026

Tansy’s eyes closed to a pair of dangerous slits.

From "The Teacher’s Funeral" by Richard Peck

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