destruction

(noun) the termination of something by causing so much damage to it that it cannot be repaired or no longer exists. Synonyms: devastation.

(noun) an event (or the result of an event) that completely destroys something. Synonyms: demolition, wipeout.

(noun) a final state. Synonyms: end, death. Examples: "He came to a bad end." "The so-called glorious experiment came to an inglorious end."