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grand slam - definition and synonyms

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noun [countable]     grand slam pronunciation in British English
Word Forms
singulargrand slam
pluralgrand slams
  1. 1

    Grand Slam

    a set of important competitions held in a sport during one year, especially in tennis, rugby or golf

    Melbourne’s Australian Open is the first Grand Slam tournament of the year.

    1. a.
      one of the important competitions held in a sport such as tennis, rugby or golf during one year

      Murray’s first Grand Slam was at the US Open.

    2. b.
      a situation in which a player or team wins all of a set of important competitions in a particular sport in the same year

      In 2010 New Zealand won their third Grand Slam in five years.

  2. 2
    a home run in baseball in which a player scores four runs (=points) because there is a player on each of the four bases
  3. 3
    a situation in the card game of bridge in which a pair of players wins all 13 of the tricks


to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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