ruin n
1 bankruptcy, breakdown, collapse, crackup (informal) crash, damage, decay, defeat, destitution, destruction, devastation, disintegration, disrepair, dissolution, downfall, failure, fall, havoc, insolvency, nemesis, overthrow, ruination, subversion, the end, undoing, Waterloo, wreck, wreckage vb
2 bankrupt, break, bring down, bring to nothing, bring to ruin, crush, defeat, demolish, destroy, devastate, impoverish, lay in ruins, lay waste, overthrow, overturn, overwhelm, pauperize, raze, shatter, smash, total (slang) trash (slang) wreak havoc upon, wreck
3 blow (slang) bodge (informal) botch, cock up (Brit. slang) damage, disfigure, fuck up (offensive taboo slang) injure, make a mess of, mangle, mar, mess up, screw up (informal) spoil, undo n creation, preservation, success, triumph, victory vb build, construct, create, enhance, enrich, improve, keep, mend, preserve, repair, restore, save, start, strengthen, submit to, succumb to, support, surrender to, yield to