1. In deplorable condition
   "a street of dilapidated tenements";
   - bedraggled, broken-down, derelict, ramshackle, tatterdemalion, tumble-down, dero [Austral, NZ, informal], derro [Austral, NZ, informal]

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"

See also: damaged

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

Encyclopedia: Dilapidated