1. Fall into decay or ruin
   "The old mansion began to dilapidate after years of neglect";
   - decay, crumble
    
2. Bring into a condition of decay or partial ruin by neglect or misuse
   "Years of neglect had dilapidated the old mansion"

Derived forms: dilapidates, dilapidated, dilapidating

Type of: change, destroy, destruct, spifflicate [Brit, informal], spiflicate [Brit, informal], uncreate [literary]

Encyclopedia: Dilapidate