downcast

(noun) a ventilation shaft through which air enters a mine.

(adj) directed downward. Example: "A downcast glance."

(adj) filled with melancholy and despondency . Synonyms: gloomy, grim, blue, depressed, dispirited, down(predicate), downhearted, down in the mouth, low, low-spirited. Examples: "Gloomy at the thought of what he had to face." "Gloomy predictions." "A gloomy silence." "Took a grim view of the economy." "The darkening mood." "Lonely and blue in a strange city." "Depressed by the loss of his job." "A dispirited and resigned expression on her face." "Downcast after his defeat." "Feeling discouraged and downhearted."