Much in demand is an expression used to describe something that is highly sought after and desired. The term can be broken down into three words: HOT (3 letters), REDHOT (6 letters) and SOUGHTAFTER (11 letters). HOT is used to describe something that is popular or fashionable, while redhot is used to describe something that is even more popular or desirable. Soughtafter is used to describe something that is highly desired and in high demand.