ruin
nounThe state of being physically destroyed, collapsed, or decayed.
nounThe state of being extensively harmed or damaged.
nounPoverty of bankruptcy.
nounA destroyed, collapsed, or decayed building or other physical entity.
nounOne that has been extensively damaged or harmed.
nounA cause of destruction or irreparable harm or loss.
transitive verbTo cause (a building, for example) to be in a destroyed, collapsed, or decayed state.
transitive verbTo harm or damage irreparably.