The term 'make downhearted' can be broken down into four crossword solutions: DEMORALISE (10 letters), DISPIRIT (8 letters), DEPRESS (7 letters) and DEJECT (6 letters). All of these words refer to the act of making someone feel sad or disheartened. DEMORALISE is the most comprehensive of the four terms, as it implies a sense of loss of morale or enthusiasm. DISPIRIT is similar, but more focused on the feeling of being dispirited or lacking in spirit. DEPRESS is a more general term, referring to the act of making someone feel sad or low. Finally, DEJECT is the most specific of the four terms, referring to the act of making someone feel dejected or dispirited.