Hurricanes would seem to be the most dangerous manifestation, right?
“Although I have never been to Afghanistan, I know it is a dangerous place, particularly for women,” she says.
Indeed, Mousavi already challenged this by saying that he would “never surrender to this dangerous charade.”
early 13c., "difficult, arrogant, severe" (the opposite of affable), from Anglo-French dangerous, Old French dangeros (12c., Modern French dangereux), from danger (see danger).
In Chaucer, it means "hard to please, reluctant to give;" sense of "full of danger, risky" is from late 15c. Other words used in this sense included dangersome (1560s), dangerful (1540s). Related: Dangerously.