The term 'be morose' can be described by the crossword solutions of 'POUT', 'DOUR', and 'GLUM'. All three words refer to a feeling of sadness or gloominess. Pouting is an expression of displeasure, often accompanied by a scowl or frown. DOUR is an adjective meaning stern or gloomy in appearance or manner. GLUM is another word for sullen or despondent. Together, these words describe someone who is feeling downcast and unhappy.