Definition of let someone down in English:

let someone down

phrasal verb

  • 1Fail to support or help someone as they had hoped.

    ‘if I let him down now, I knew he'd never trust me again’
    • ‘Is someone letting you down or failing to get a job done on time?’
    • ‘Ken had been her best friend and she'd let him down.’
    • ‘Girlfriends support you when the man in your life lets you down.’
    • ‘I had a daughter to support, and I couldn't let her down.’
    • ‘I will not fail you, I will not disappoint you and I will not let you down.’
    • ‘We feel frustrated and completely let down by this Government, and that is why we are planning this rally.’
    • ‘From a personal standpoint, I wouldn't mind down-sizing, but I worry about the vendors, the clients, and especially the employees I'd be letting down.’
    • ‘Half of 14-year-olds can't write or add up properly and the schools inspectorate said failing schools were letting down children of the poor.’
    • ‘She did absolutely nothing to assist me and failed to keep appointments, letting down the local community.’
    • ‘Any lecturer whose courses fail to attract adequate numbers of students is made to feel not only that he is in some way deficient but also that he is letting down his colleagues.’
    fail, fail to support, fall short of expectation
    View synonyms
    1. 1.1let someone/something downHave a detrimental effect on the overall quality or success of someone or something.
      ‘the whole machine is let down by the tacky keyboard’
      • ‘The north west has a wonderful range of historic buildings, but so often they are let down by the poor quality of the public spaces around them.’
      • ‘However, smaller airports were let down by the quality of their facilities, such as shops and food outlets.’
      • ‘The sound quality let them down massively, but they still managed to do well at warming up the audience.’
      • ‘A bit young and reckless, his positional play and defensive qualities occasionally let him down at the very top level.’
      • ‘But what really lets this collection down is not the quality of the songs - everything about their tunes is well considered and slickly executed - but the production.’
      • ‘The quality of the competition apart, what let things down was the abysmal and partisan television coverage.’
      • ‘An excellent cast is let down by an uninspired script and a collection of unimpressive bad guys.’
      • ‘The vegetable samosas were pronounced okay, with a greasy exterior letting down the contents.’
      • ‘We've been working on the areas that have been letting us down and I'm hoping that as the weeks go by we get better and better.’
      • ‘It was a disappointing finish and we were let down by lapses in concentration’