dangerous

adjectives

involving or causing danger or risk; liable to hurt or harm

"a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions"

dangerous, unsafe

is derived from

is derived from

is derived from

antonym

causing fear or anxiety by threatening great harm

"a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"

dangerous, grave, grievous, life-threatening, serious, severe

is derived from

dangerousness