Gloomy
Part of speech: adjective
Definition: Imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded. Affected with, or expressing, gloom; melancholy; dejected.
Example sentence: I've had this terrible stomach problem for years, and that has made touring difficult. People would see me sitting in the corner by myself looking sick and gloomy. The reason is that I was trying to fight against the stomach pain, trying to hold my food down. People looked me and assumed I was some kind of addict.
Depressing
Part of speech: verb
Definition: To press down.
Part of speech: adjective
Definition: Causing depression or sadness.
Example sentence: Every so often, we all gaze into the abyss. It's a depressing fact of life that eventually the clock expires; eventually the sand in the hourglass runs out. It's the leaving behind of everything that matters to us that hurts the most.