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set

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noun set pronunciation in British English /set/ 
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singularset
pluralsets
  1. 1
    [countable] a group of things of the same type that belong together
    set of:

    a set of keys

    a complete set of Pokemon cards

    1. b.
      a number of ideas, rules, facts, or principles that form a group
      set of:

      The papers printed a fresh set of allegations against the ex-President.

      a set of guidelines/rules/instructions:

      The tax department provides a set of guidelines for new business start-ups.

    2. d.
      music a series of songs that a band or singer plays or sings in a performance

      The band is taking a 15 minute break between sets.

  2. 2
    [countable] a group of people who spend time together or who share an interest

    your social set

    New York's literary set

    set of:

    He's made a completely new set of friends at university.

  3. 7
    [singular] the process of arranging wet hair in a particular style so that it keeps that style when it becomes dry
    a shampoo and set:

    She has a shampoo and set every week.

Open Dictionary

breakfast rave

a rave … that takes place early in the morning and where there is no alcohol or drugs …

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