ruin

> ruin
(verb)
crush, damn, defeat, demolish, desolate, destroy, devastate, overthrow, overturn, overwhelm, seduce, shatter, smash, subvert, wreck.
beggar, impoverish.

> ruin
(noun)
damnation, decay, defeat, demolition, desolation, destruction, devastation, discomfiture, downfall, fall, loss, perdition, prostration, rack, ruination, shipwreck, subversion, undoing, wrack, wreck.
bane, mischief, pest.