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tab - definition and synonyms

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noun [countable]     tab pronunciation in American English
Word Forms
  1. 1
    a part that sticks out of something and that you can pull in order to make something happen

    Pull the tab to open the cartridge.

    1. a.
      a metal ring that is part of the lid of a can. When you pull up on the ring, the lid comes off. The usual British word is ring-pull.
    2. b.
      American a label attached to clothing or other material and that gives information about it
      Synonyms and related words
  2. 2



    tab key

    computing a button on a computer keyboard or typewriter that you press to move several spaces along the same line
  3. 3
    a bill for the cost of a meal or for drinks that you have bought
    1. a.
      an amount that you owe, for example the cost of a hotel room, restaurant meals, and services
      put something on someone’s tab:

      Can you put these drinks on my tab?

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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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