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verb [transitive] certify pronunciation in British English /ˈsɜː(r)tɪfaɪ/ 
Word Forms
present tense
present participlecertifying
past tensecertified
past participlecertified
  1. 1
    to state officially that something is true, accurate, or of a satisfactory standard

    Government auditors will certify the financial reports.

    Beef exports must be certified safe and disease-free.

  2. 3
    to state officially that someone is seriously mentally ill

    The doctor said she should be certified.


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