let down

verb

1. also preposition to lower
2. to fail to fulfil the expectations of (a person); disappoint
3. to undo, shorten, and resew (the hem) so as to lengthen (a dress, skirt, etc)
4. to untie (long hair that is bound up) and allow to fall loose
5. to deflate

   to let down a tyre

noun

1. a disappointment
2. the gliding descent of an aircraft in preparation for landing
3. the release of milk from the mammary glands following stimulation by the hormone oxytocin

Example Sentences

The Department for Health and social care said it was "unacceptable" that anyone should feel let down by maternity support services.

From BBC

“I really had hope for humanity, and I feel like we were let down,” said Monica Villalobos, 45.

From BBC

“We have this obligation to the child who has been let down in a number of ways, over a long period of time,” she said last month.

From BBC

Those who have been left out of pocket, like Thea, feel “let down” by the industry.

From BBC

“It really makes you question everything,” Thea says, adding that she feels let down, most of all, by someone she once regarded as a friend.

From BBC