Possible Definitions:
1. Dangerous (a.) Attended or beset with danger; full of risk; perilous; hazardous; unsafe.
2. Dangerous (a.) Causing danger; ready to do harm or injury.
3. Dangerous (a.) In a condition of danger, as from illness; threatened with death.
4. Dangerous (a.) Hard to suit; difficult to please.
5. Dangerous (a.) Reserved; not affable.