Ruin

/ˈruːɪn/

noun

1. the physical destruction or disintegration of something or the state of disintegrating or being destroyed.

"a large white house falling into gentle ruin"

synonyms:      disintegration, decay, disrepair, dilapidation, falling to pieces, decrepitude, ruination;

verb

1. reduce (a building or place) to a state of decay, collapse, or disintegration.

"a ruined castle"

synonyms:      destroy, devastate, lay waste, leave in ruins, wreak havoc on, ravage, leave desolate;

2. literary

fall headlong or with a crash.

"carriages go ruining over the brink from time to time"

She ruined her new dress when she accidentally spilt nail polish on it.

The engagement party was ruined when Patricia and her fianc- had a big fight in the middle of it, and decided to break up.

We visited the ruins of a Roman theater during our visit to the region.

The cake was ruined when she accidentally put a cup of salt in it instead of sugar.