razing

(noun) the event of a structure being completely demolished and leveled. Synonyms: wrecking.

(noun) complete destruction of a building. Synonyms: leveling, tearing down, demolishing.

(verb) tear down so as to make flat with the ground. Synonyms: level, raze, rase, dismantle, tear down, take down, pull down. Example: "The building was levelled."