The term 'unhappy look' can be described by four different crossword solutions: SCOWL (5 letters), MOUE (4 letters), FROWN (5 letters), and POUT (4 letters). A SCOWL is a facial expression of displeasure, usually involving a wrinkling of the forehead and a downward curving of the lips. A MOUE is a small, affected POUT or grimace, often used to express dissatisfaction or displeasure. A FROWN is a facial expression in which the eyebrows are brought together and the forehead is wrinkled, typically expressing disapproval or disappointment. Finally, a POUT is a facial expression of displeasure or sullenness, typically with protruding lips.