Dictionary definition · ruin
noun
- an irrecoverable state of devastation and destruction"you have brought ruin on this entire family"
- a ruined building"they explored several Roman ruins"
- the process of becoming dilapidated
- an event that results in destruction
- failure that results in a loss of position or reputation
- destruction achieved by causing something to be wrecked or ruined
verb
- destroy completely; damage irreparably"You have ruined my car by pouring sugar in the tank!"
- destroy or cause to fail"This behavior will ruin your chances of winning the election"
- reduce to bankruptcy"My daughter's fancy wedding is going to break me!"
- reduce to ruins"The country lay ruined after the war"
- deprive of virginity"This dirty old man deflowered several young girls in the village"
- fall into ruin
Source: Open English WordNet (CC BY 4.0).