f. yıkmak, harap etmek, mahvetmek, iflas ettirmek. Smoking ruins your health. (Sigara içmek sağlığınızı mahveder.)

i. yıkıntı, harabe, kalıntı. The ruins of Ephesus attract many foreign and local tourists. (Efes harabeleri birçok yabancı ve yerli turisti kendine çekmektedir.)

The act of falling or tumbling down; fall.

Such a change of anything as destroys it, or entirely defeats
its object, or unfits it for use; destruction; overthrow; as, the ruin
of a ship or an army; the ruin of a constitution or a government; the
ruin of health or hopes.

That which is fallen down and become worthless from injury or
decay; as, his mind is a ruin; especially, in the plural, the remains
of a destroyed, dilapidated, or desolate house, fortress, city, or the
like.

The state of being dcayed, or of having become ruined or
worthless; as, to be in ruins; to go to ruin.

That which promotes injury, decay, or destruction.

To bring to ruin; to cause to fall to pieces and decay; to
make to perish; to bring to destruction; to bring to poverty or
bankruptcy; to impair seriously; to damage essentially; to overthrow.

To fall to ruins; to go to ruin; to become decayed or
dilapidated; to perish.