The term 'much sought-after' can be described by three crossword solutions: COVETED (7 letters), POPULAR (7 letters), and HOT (3 letters). COVETED means to strongly desire something that belongs to someone else, while POPULAR implies that something is liked or accepted by many people. HOT, on the other hand, suggests that something is in high demand or has a lot of interest. All three words imply that something is desirable and highly sought after.