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Let down

verb

Verb

1
Used other than figuratively or idiomatically: see let, down.
2
fail to meet the hopes or expectations of wordnet
3
To allow to descend. transitive
"They let down the rope and I fastened it to the basket."
4
move something or somebody to a lower position wordnet
5
To disappoint; to betray or fail somebody. idiomatic, transitive
"I promised him I would meet him there, and I will not let him down."

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6
To lengthen by undoing and resewing a hem. transitive
7
To reduce one's level of effort. intransitive
8
To soften in tempering.
"to let down tools or cutlery"
9
To thin; to reduce the thickness or viscosity of.
"let the sauce down with a little pasta water if it starts to become too thick; if the soup is too thick, you can let it down with a little milk; let the sauce down with a dash of the pickling liquor; use some of the stock to let down the onion sauce"

Unscramble this word: letdown