Dictionary.net

destroy completely; damage irreparably; "You have ruined my car by pouring sugar in the tank!"; "The tears ruined her make-up"

failure that results in a loss of position or reputation

destroy or cause to fail; "This behavior will ruin your chances of winning the election"

a ruined building; "they explored several Roman ruins"

an irrecoverable state of devastation and destruction; "you have brought ruin on this entire family"

fall into ruin

reduce to ruins; "The country lay ruined after the war"

move away or escape suddenly; "The horses broke from the stable"; "Three inmates broke jail"; "Nobody can break out--this prison is high security"

destroy completely; damage irreparably; "You have ruined my car by pouring sugar in the tank!"; "The tears ruined her make-up"

failure that results in a loss of position or reputation

destroy or cause to fail; "This behavior will ruin your chances of winning the election"

a ruined building; "they explored several Roman ruins"

an irrecoverable state of devastation and destruction; "you have brought ruin on this entire family"

fall into ruin

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.

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.

Overthrow; destruction; downfall; that which causes destruction or decay; that which remains of something destroyed or fallen into decay; the state of decay or desolation.

To pull down, destroy, overthrow, or make poor.

To decay; perish; be brought to poverty and misery.

Ruination.

A rushing or falling down violently: destruction: overthrow: that which destroys: the remains of a building demolished or decayed (usually in pl.).

To demolish: to destroy: to defeat: to impoverish.

Destruction; overthrow; remains of buildings, &c.

To demolish; destroy; utterly spoil; impoverish.

To bring to ruin; fall into ruin.

Destruction or a cause of destruction; demolition; decay; desolation.

Remains of something demolished or decayed.

The remains of anything demolished or decayed.

Destruction; overthrow; that which destroys; cause of destruction; ruined state; a ruined structure.

To demolish; to pull down, destroy, subvert, or defeat; to impoverish; to bring to everlasting misery.

To fall into ruins or ruin.

Fall; destruction; overthrow; that change of a thing which destroys it, which entirely defeats its objects, or which unfits it for use; subversion; that which destroys; loss of happiness or fortune; mischief.

The remains of any decayed or demolished place or thing, as a house or city.

To demolish; to destroy; to subvert; to bring to an end in any manner; to impoverish; to bring to misery.

n. [Latin] That change of any thing which destroys it, or unfits it for use;— fall; overthrow; defeat;— mischief; bane;— destruction; loss; decay;— perdition; eternal misery;- the remains of a demolished or decayed city, fortress, castle, work of art, &c.—the enfeebled powers or faculties, as of the mind in infirmity or disease;— the state of being decayed or worthless.