1. to pull or knock sth down, break into pieces
Professional
Social
demolish a wall/house/misconception
To 'demolish' something is to destroy it completely. This verb is usually used to talk about the destruction of a building or an argument. You can also demolish a team or competitor in sports if you win by a large amount. 'Demolish' has a powerful and forceful connotation and can be used in social and professional contexts.