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.

Our troops set forth to-morrow; stay with us; The ways are dangerous. --Shak.

It is dangerous to assert a negative. --Macaulay.

2. Causing danger; ready to do harm or injury.

If they incline to think you dangerous To less than gods. --Milton.

3. In a condition of danger, as from illness; threatened with death. [Colloq.]

--Forby. Bartlett.

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

My wages ben full strait, and eke full small; My lord to me is hard and dangerous. --Chaucer.

5. Reserved; not affable. [Obs.]

``Of his speech dangerous.'' --Chaucer. -- Dan"ger*ous*ly, adv. -- Dan"ger*ous*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)