ruins, the remains of a building, city, etc., that has been destroyed or that is in disrepair or a state of decay

We visited the ruins of ancient Greece.

a destroyed or decayed building, town, etc.

a fallen, wrecked, or decayed condition

The building fell to ruin.

the downfall, decay, or destruction of anything.

the complete loss of health, means, position, hope, or the like.

something that causes a downfall or destruction; blight

Alcohol was his ruin.

the downfall of a person; undoing

the ruin of Oedipus.

a person as the wreck of his or her former self; ravaged individual.

the act of causing destruction or a downfall.

to reduce to ruin; devastate.

to bring (a person, company, etc.) to financial ruin; bankrupt.

to injure (a thing) irretrievably.

to induce (a woman) to surrender her virginity; deflower.

to fall into ruins; fall to pieces.

to come to ruin.

noun

ashes , debris , destruction , detritus , foundation , relics , remains , remnants , residue , rubble , traces , vestiges , wreck , wreckage