most dangerous

ADJECTIVE

hazardous, troubling

Synonyms

STRONGEST

alarming bad critical deadly fatal nasty perilous precarious risky serious terrible threatening treacherous ugly unhealthy unsafe unstable

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 campaign, which made Bukele hugely popular, has resulted in a dramatic decrease in crime, turning El Salvador from one of Latin America's most dangerous countries to one of its safest.

From Barron's • Apr. 20, 2026

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

From Los Angeles Times • Apr. 15, 2026

"It's the most dangerous military mission that I know of," James Jeffrey, a military strategist and top US diplomat for the Middle East, told the BBC.

From BBC • Apr. 4, 2026

In recent years, Ecuador has gone from being one of the safest countries in South America to one of the most dangerous.

From Salon • Mar. 31, 2026

The most dangerous being in the supernatural world has the Black Book.

From "Amari and the Night Brothers" by B.B. Alston