Sitting target is a term used to describe a person who is sitting in a CHAIR and is the target of an attack or other form of aggression. The term can also be used to describe someone who is vulnerable to criticism or ridicule. The crossword solution for this term is 'CHAIR', which is a five-letter word. A CHAIR is a piece of furniture designed to provide comfortable seating for one person, and is often used as a target for physical or verbal attacks.