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doubt - definition and synonyms


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verb [transitive] doubt pronunciation in British English /daʊt/
Word Forms
present tense
present participledoubting
past tensedoubted
past participledoubted
  1. 1
    to think that something is probably not true or that it probably does not exist
    Some people doubt my ability but I will prove them wrong.
    No one doubts the need for improvement.
    doubt (that): I don’t doubt you’re right, but I still disagree.
    Synonyms and related words
  2. 2
    to think that something is unlikely
    ‘Do you think they’ll win?’ ‘I doubt it.’
    doubt (that): He promised to come but I doubt he will.
    doubt whether/if: I doubt very much whether we can change it now.
    Synonyms and related words


derived word


noun [countable]
Word Forms


… a feeling of pleasure you get from spending time doing what you want and not worrying about what other people are doing or saying

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a temporary inability to think clearly or remember information

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