Entry Word: glum

Function: adjective

Meaning: 1 causing or marked by an atmosphere lacking in cheer <the usual glum waiting room at the tax collectorʼs office> <a cold, glum day> — see gloomy 1
2 feeling unhappiness <how can you be glum after such a great day?> — see sad 1
3 given to or displaying a resentful silence and often irritability <a glum and pouting child> — see sulky