Prone

a.	1.
	1.	Bending forward; inclined; not erect. Towards him they bend With awful reverence prone. - Milton.
	2.	Prostrate; flat; esp., lying with the face down; - opposed to supine. Which, as the wind, Blew where it listed, laying all things prone. - Byron.
	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. - Landor.

Adj.	1.	prone - lying face downward Synonyms: prostrate
	2.	prone - having a tendency (to); often used in combination; "a child prone to mischief"; "failure-prone"

accumbent, acquiescent, agreeable, alacritous, amenable, answerable for, apt to, ardent, bent, calculated to, capable of, compliant, consenting, content, cooperative, couchant, couche, crawling, crouched, crouching, debased, decumbent, deferential, dependent on, depressed, disposed to, dispositioned, docile, draped, eager, enthusiastic, exposed, exposed to, fain, favorable, favorably disposed, favorably inclined, flat, forward, game, given, given to, groveling, horizontal, in danger of, in the mind, in the mood, incident to, inclined to, knee-high, knocked flat, laid low, leaning, level, liable, liable to, likely to, lolling, lounging, low, low-built, low-hung, low-level, low-leveled, low-lying, low-set, low-statured, lying, lying down, minded, minded to, naked to, neap, obeisant, obliged to, obnoxious, obsequious, on bended knee, open, open to, pliant, predisposed, predisposed to, procumbent, prompt, prone to, prostrate, quick, ready, ready and willing, ready for, ready to, receptive, reclining, recumbent, reposing, responsible for, responsive, resupine, runty, sensitive, servile, short, sprawled, sprawling, spread, squat, squatty, standing to, stooped, stumpy, subject, subject to, subservient, supine, susceptible, susceptive to, tending, tractable, unelevated, well-disposed, well-inclined, willed, willing, willinghearted, within range of, zealous