let down

phrasal verb transitive

Word Forms

present tense
I/you/we/they	let down
he/she/it	lets down
present participle	letting down
past tense	let down
past participle	let down

1
to make someone disappointed by not doing something that they are expecting you to do
The kids will be let down when they hear you can’t come after all.
The families of the victims feel that the justice system has let them down.
Synonyms and related words
To make someone feel disappointed or less hopeful
disappoint
let down
discourage
1. 1a
  to work less hard or make more mistakes than the people who you are working with
  She’s a great player, and never lets her team down.
  Any boy who misbehaves will be letting down the whole school.
  Synonyms and related words
  To make a mistake, or to do something badly
  mess up
  blunder
  slip up
2
to make someone or something less likely to be successful or effective
The whole system is let down by the poor quality of the graphics.
Synonyms and related words
To cause problems for someone or something
let down
hold back
embarrass
3
Britishto allow the air to go out of something such as a car tire
Synonyms and related words
To make something smaller
reduce
shrink
condense
4
to allow someone or something to move to a lower position
Let the bucket down carefully into the well.
Synonyms and related words
To move, or to move something downwards
fall
lower
come down
5
to use the extra cloth in the hem (=bottom fold) of a piece of clothing to make it longer
Synonyms and related words
To sew, or to sew something
sew
mend
stitch
6
let someone down gentlyto try to give someone bad news in a way that does not upset them too much
Synonyms and related words
To tell someone something, or to give information
tell
deliver
report
7
let the side downinformalto work less hard or to make more mistakes than the people who you are working with
Synonyms and related words
To make a mistake, or to do something badly
mess up
blunder
slip up