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speculation

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noun [countable/uncountable] British English pronunciation: speculation /ˌspekjʊˈleɪʃ(ə)n/ 
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singularspeculation
pluralspeculations
  1. 1
    ideas or discussion about why something has happened or what might happen
    speculation about:

    There has been a great deal of speculation about what will happen after the elections.

    speculation that:

    Shannon is visiting Britain amid speculation that a deal has been done.

    fuel/prompt speculation (=cause speculation):

    The visit has fuelled speculation that the pair are planning to get married.

    pure/mere speculation (=guesses that are completely wrong):

    Government officials dismissed the report as pure speculation.

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