The term 'Put on an Unhappy Face' can be described by four crossword solutions: SCOWL (5 letters), POUT (4 letters), grimaced (8 letters), and MOPE (4 letters). Scowling is a facial expression that conveys displeasure or anger, often with a wrinkled nose and furrowed brow. Pouting is a facial expression of displeasure or sadness, usually with the lips protruding outward. Grimacing is a facial expression of pain or disgust, often with a contorted mouth and raised eyebrows. Lastly, moping is a behavior characterized by a lack of energy and enthusiasm, often accompanied by a sad facial expression.