Meaning

• (sometimes in the plural) The remains of a destroyed or dilapidated construction, such as a house or castle.

• The state of being a ruin, destroyed or decayed.

  "The monastery has fallen into ruin."

• Something that leads to serious trouble or destruction.

  "Gambling has been the ruin of many."

• A fall or tumble.

• A change that destroys or defeats something; destruction; overthrow.

  "the ruin of a ship or an army;  the ruin of a constitution or a government;  the ruin of health or hopes"

• Complete financial loss; bankruptcy.

Meaning

• To cause the fiscal ruin of.

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

• To destroy or make something no longer usable.

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

• 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."

• To upset or overturn the plans or progress of, or to have a disastrous effect on something.

  "My car breaking down just as I was on the road ruined my vacation."

• To make something less enjoyable or likeable.

  "I used to love that song, but being assaulted when that song was playing ruined the song for me."

• To reveal the ending of (a story); to spoil.

• To fall into a state of decay.

• To seduce or debauch, and thus harm the social standing of.

  "The young libertine was notorious for ruining local girls."