The meaning of RUIN is to damage irreparably. How to use ruin in a sentence.

As a noun, ruin means the remains of a destroyed or decayed place, especially a half-standing building or city. It is most commonly used in the plural, as in ancient ruins.

RUIN definition: 1. to spoil or destroy something completely: 2. to cause a person or company to lose all their or…. Learn more.

Ruin is the state of being severely damaged or spoiled, or the process of reaching this state. The vineyards were falling into ruin. She wasn't going to let her plans go to ruin.

Apr 15, 2026 · ruin (countable and uncountable, plural ruins) (countable, sometimes in the plural) The remains of a destroyed or dilapidated construction, such as a house or castle.

1. ruins, the remains of a building, city, etc., that has been destroyed or is decaying. 3. a fallen, wrecked, or decayed condition: The house fell into ruin. 4. the downfall, decay, or destruction of anything. 5. …

ruin definition: cause a plan or progress to fail. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "ruin the day", "ruin one's chances", "ruin …

Ruin, from the verb meaning to fall to pieces, suggests a state of decay or disintegration (or an object in that state) that is apt to be more the result of the natural processes of time and change than of …

Ruin definition: A cause of destruction or irreparable harm or loss.

Definition of ruin verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.