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margin - definition and synonyms

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noun [countable]     margin pronunciation in British English
Word Forms
  1. 1
    the space at the left or right side of a page where words are not usually printed or written
    in the margin:

    I made a couple of notes in the margin.

    1. a.
      a line drawn down the side of an empty page in order to mark the area of a margin
  2. 2
    the amount by which a competition or election is won
    a wide/narrow/large/small margin:

    Danes voted by a narrow margin (=a small amount) to keep their own currency.

  3. 3
    an additional amount of time, space, money etc that you include in order to be certain that you will be safe or successful

    There’s no margin for error – we have to win.

  4. 4
    business a profit margin
    Synonyms and related words
  5. 5
    the edge of a place or thing

    The Andes run along the western margin of South America.

  6. 6
    business an amount of money that you give a stockbroker to pay for possible losses on money that they invest for you
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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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