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alert - definition and synonyms


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adjective alert pronunciation in British English /əˈlɜː(r)t/
  1. 1
    able to think in a clear and intelligent way
    She’s remained physically fit and mentally alert.
  2. 2
    paying attention to what is happening and ready to react quickly if necessary
    alert to: Parents must be alert to the symptoms of the disease.

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noun [uncountable]


a meal served in the evening which consists of foods traditionally eaten at breakfast

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troll factory

a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

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