#1 ruin v. [destroy] destroy completely; damage irreparably; "You have ruined my car by pouring sugar in the tank!"; "The tears ruined her make-up". wn
#2 ruin n. [ruination] an irrecoverable state of devastation and destruction; "you have brought ruin on this entire family". wn
#3 ruin n. a ruined building; "they explored several Roman ruins". wn
#4 ruin v. destroy or cause to fail; "This behavior will ruin your chances of winning the election". wn
#5 ruin n. [dilapidation] the process of becoming dilapidated. wn
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