Depression
Melancholy, Dejection, Gloom
noun, な adjective
With lots of grief and gloom in your life you'll probably end up in a spiral of depression. Don't worry, you'll be okay. Things get better with time so don't give into the gloom.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
会社へ出勤するのが憂鬱です。
Working at a company is depressing.
長靴をはいた瞬間、雨の日が憂鬱じゃなくなる。水たまり？むしろ入るためにある。そんな気分になる。
The moment you put on rain boots, rainy days stop feeling depressing. Puddles? They practically exist to be stepped in. That's the kind of mood they put you in.