Prone /(?)/

Prone

a.
  1. Bending forward; inclined; not erect.
    Towards him they bend With awful reverence prone.
  2. Prostrate; flat; esp., lying with the face down; -- opposed to supine.
    Which, as the wind, Blew where it listed, laying all things prone.
  3. Headlong; running downward or headlong.
  4. Sloping, with reference to a line or surface; declivous; inclined; not level.
    Since the floods demand, For their descent, a prone and sinking land.
    — Blackmore.
  5. Inclined; propense; disposed; -- applied to the mind or affections, usually in an ill sense. Followed by to.
    Poets are nearly all prone to melancholy.