Down in dumps and Let down

Let down and down in dumps are semantically related. in depressed topic. In some cases you can use "Let down" instead an adjective phrase "Down in dumps", when it comes to topics like discouraged.

Let down verb - To fall short in satisfying the expectation or hope of.

Down in dumps and let down are semantically related. Sometimes you can use "Down in dumps" instead an adjective "Let down".