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.

See Examples For:

most dangerous

“This is the most dangerous thing that humans have ever gone near.”

From The Wall Street Journal ● Oct. 1, 2026

Flydubai flew to and from Israel through some of the most dangerous periods of the post-Oct.

From The Wall Street Journal ● Sep. 30, 2026

"It is during these times that crossings are the most dangerous," he said.

From Barron's ● Sep. 28, 2026

Garcia's left hook had been widely considered his most dangerous weapon before the fight, but it was a right hand which eventually sent Benn to the canvas.

From BBC ● Sep. 13, 2026

They had come to Aeaea, the realm of Circe, a most beautiful and most dangerous witch.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton