The term 'make gloomy' can be solved by two crossword solutions, 'DEPRESS' (7 letters) and 'DEJECT' (6 letters). Both words are verbs that describe the act of making someone or something feel sad or disheartened. 'DEPRESS' is derived from the Latin word 'deprimere, ' which means to press down, while 'DEJECT' is derived from the Latin word 'deiectus, ' which means to cast down. Both words are used to describe a feeling of sadness or despair.