Noah Webster's New International Dictionary of the English Language

1. (a.) Attended or beset with danger; full of risk; perilous; hazardous; unsafe.

2. (a.) Causing danger; ready to do harm or injury.

3. (a.) In a condition of danger, as from illness; threatened with death.

4. (a.) Hard to suit; difficult to please.

5. (a.) Reserved; not affable.