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Insider vs Insiderish - What's the difference?

insider | insiderish |

As a noun insider

is a person who has special knowledge about the inner workings of a group, organization, or institution.

As an adjective insiderish is

(informal) like an insider; familiar with inner knowledge, in-jokes, etc.

insider

English

Noun

(en noun)
  • A person who has special knowledge about the inner workings of a group, organization, or institution.
  • * 1923 , " ‘Big Board’ Failures," Time , 2 Jul.,
    • Heavy losses were sustained in Simms Petroleum, which took a greater toll from supposed "Wall Street insiders " than from the general public.
  • * 2007 , Jonathan Clayton, " Profile: Zuma charmed wives and a nation," Times of London (UK), 19 Dec.,
    • He is also an astute ANC insider who spent ten years on Robben Island alongside Nelson Mandela and the other “grandees” of the movement.
  • A person who is within an enclosed space.
  • * 1849 , (Herman Melville), Redburn: His First Voyage , ch. 33,
    • To the insider , the ceiling is like a small firmament twinkling with astral radiations.

    Derived terms

    * insider trading

    insiderish

    English

    Adjective

    (en adjective)
  • (informal) Like an insider; familiar with inner knowledge, in-jokes, etc.