to cause or allow (a building, automobile, etc.) to fall into a state of disrepair, as by misuse or neglect (often used passively): The house had been dilapidated by neglect.
2.
Archaic.to squander; waste.
verb (used without object)
3.
to fall into ruin or decay.
Origin: 1560–70; < Medieval Latindīlapidātus, past participle of dīlapidāre to squander (compare dīlapidātiō disrepair), Latin: to pelt with stones; see di-2, lapidate