Meaning of the word "be down in the dumps" in English

What does "be down in the dumps" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be down in the dumps

US /bi daʊn ɪn ðə dʌmps/
UK /bi daʊn ɪn ðə dʌmps/

Idiom

to be unhappy or depressed

Example:
She's been down in the dumps ever since her cat ran away.
Don't be down in the dumps, things will get better.