verb

1. To cause the fiscal ruin of.

   “With all these purchases, you surely mean to ruin us!”

2. To destroy or make something no longer usable.

   “He ruined his new white slacks by accidentally spilling oil on them.”

3. To cause severe financial loss to; to bankrupt or drive out of business.

   “The crooked stockbroker's fraudulent scheme ruined dozens of victims; some investors lost their life savings and even their houses.”

Synonyms: destroy, fordo, ruinate, wreck

noun

1. The act or process by which something is ruined.