prone -
adj. 1 a lying face downwards (cf.
SUPINE). b lying flat;
prostrate. c having the front part downwards, esp. the palm of the hand.
2 (usu. foll. by to, or to + infin.) disposed or liable, esp. to a bad action, condition, etc. (
is prone to bite his nails).
3 (usu. in comb.) more than usually likely to suffer (accident-
prone).
4 archaic with a downward slope or direction.
pronely adv. proneness n. [ME f. L pronus f. pro forwards]
