How to say "depressed" in Japanese

• 暗いくらいJLPT N5approx.Common
  i-adjectiveCovers 'depressed' as a dark, gloomy mood: feeling dispirited and down in the dumps, the way one does after bad news or a discouraging setback. Here the mood itself is dark rather than heavy.
• 重いおもいJLPT N5approx.Common
  i-adjectiveCovers 'depressed' as a heavy feeling, gloomy and blue, with spirits that feel weighed down. Here the depressed mood is heavy rather than dark, a heaviness pressing on you.
  前途ぜんとに苦難くなんがあるという思おもいで彼かれの心こころは重おもかった。↗

  A sense of trouble ahead oppressed his spirits.

Choose 「暗い」 for a depressed mood that feels dark and dispirited, down in the dumps, and 「重い」 for one that feels heavy and weighed down; both describe gloomy low spirits rather than clinical depression.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 気が重いきがおもいheavy-hearted
• 陰鬱いんうつgloomy
• 冴えないさえないdull
• 暗いくらいdepressed
• 重いおもいheavy (feeling)