dangerous

Adjective

WordNet 3.0

involving or causing danger or risk; liable to hurt or harm“a dangerous criminal”“a dangerous bridge”“unemployment reached dangerous proportions”Synonyms: unsafe
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”Synonyms: grave grievous serious severe life-threatening

Dangerous \Dan"ger*ous\, a. [OE., haughty, difficult, dangerous, fr. OF. dangereus, F. dangereux. See Danger.]

1.Attended or beset with danger; full of risk; perilous; hazardous; unsafe. [1913 Webster]

Our troops set forth to-morrow; stay with us; The ways are dangerous.— Shak.[1913 Webster]

It is dangerous to assert a negative.— Macaulay.[1913 Webster]

2.Causing danger; ready to do harm or injury. [1913 Webster]

If they incline to think you dangerous To less than gods.— Milton.[1913 Webster]

3.In a condition of danger, as from illness; threatened with death. [Colloq.] --Forby. Bartlett. [1913 Webster]

4.Hard to suit; difficult to please. [Obs.] [1913 Webster]

My wages ben full strait, and eke full small; My lord to me is hard and dangerous.— Chaucer.[1913 Webster]

5.Reserved; not affable. [Obs.] "Of his speech dangerous." --Chaucer. -- Dan"ger*ous*ly, adv. -- Dan"ger*ous*ness, n. [1913 Webster]