PRONE, adjective [Latin pronus.] Bending forward; inclined; not erect.

1. Lying with the face downward; contrary to supine.

2. Headlong; precipitous; inclining in descent.

Down thither prone in flight.

3. Sloping; declivous; inclined.

Since the floods demand

For their descent, a prone and sinking land.

4. Inclined; propense; disposed; applied to the mind or affections, usually in an ill sense; as men prone to evil, prone to strife, prone to intemperance, prone to deny the truth, prone to change.