(1):
(v. i.) To get out of repair; to fall into partial ruin; to become decayed; as, the church was suffered to dilapidate.
(2):
(v. t.) To impair by waste and abuse; to squander.
(3):
(v. t.) To bring into a condition of decay or partial ruin, by misuse or through neglect; to destroy the fairness and good condition of; - said of a building.