Definition of be on the lookout (or keep a lookout) for in English:

be on the lookout (or keep a lookout) for

phrase

  • 1Be alert to (danger or trouble)

    ‘he told them to be on the lookout for dangerous gas’
    • ‘As the women and children went upstairs, Adam told Greg, ‘We need to keep a lookout for trouble.’’
    • ‘It brings home the fact we should always be on the lookout for signs or symptoms that can alert us.’
    • ‘The tough new initiative will see shops in the High Street who have signed up to the scheme receive photo albums of convicted crooks in the area so they can be on the lookout for potential trouble makers in their store.’
    • ‘Suspicion is a product of the need to keep a lookout for signs of trouble, potential danger and clues to offences.’
    • ‘Try to keep a lookout for danger signs in yourself or other people who have taken drugs.’
    • ‘You can then alert your own doctor and be on the lookout for telltale symptoms.’
    • ‘As a parent, be on the lookout for behavior that may indicate your child is having trouble.’
    • ‘To avoid that fate, one must know the danger and be on the lookout for it at all times.’
    • ‘Public health workers throughout the NHS have been alerted to be on the lookout for symptoms of ricin exposure in patients.’
    • ‘A campus alert went out, warning students to be on the lookout for a college-age man of that description.’
    keep watch, be on one's guard, keep on one's guard, beware, keep an eye out, keep a vigil, be alert, be observant, be attentive, be on the qui vive
    View synonyms
    1. 1.1 Keep searching for (something that is wanted)
      ‘we kept a sharp lookout for animals and saw several waterbuck’
      • ‘Needless to say, I was on the lookout for somewhere I could get online to check my mail and browse the web a bit each day.’
      • ‘Researchers say they will be on the lookout for even more Saturn moons, and will seek close-ups of the ones just found.’
      • ‘A trainer, too, he had been renting the stables in Co Kildare, and was on the lookout for somewhere to buy.’
      • ‘The organisation, which celebrates its 30th birthday this year, is on the lookout for more parents to train as volunteers.’
      • ‘However, this super rate will come to an end later this year, and I'll be on the lookout for yet another first-class account.’
      • ‘A TV company is on the lookout for 15 mums-to-be to sign up for a new programme on multiple births, which will involve giving birth live on television.’
      • ‘The service, which provides books, tapes and videos to elderly people or those who find it difficult to leave their home, has had offers of support from 20 volunteers and is on the lookout for more people to make use of their generosity.’
      • ‘This is the kind of house that developers have long been on the lookout for.’
      • ‘The annual lifestyle event of the year is back and is on the lookout for fresh new talent to show off their own creative talents and design an outfit that they might think deserves to be on the Fashion Catwalk.’
      • ‘‘A call went out for expressions of interest and, as I was on the lookout for something different to do, I put in an application and was fortunate enough to be chosen,’ he said.’
      keep watch, be on one's guard, keep on one's guard, beware, keep an eye out, keep a vigil, be alert, be observant, be attentive, be on the qui vive
      View synonyms