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vain - definition and synonyms

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adjective     vain pronunciation in American English
Word Forms
  1. 1
    showing disapproval someone who is vain is very proud and thinks they are very attractive or special

    He was vain about his looks, spending hours in the gym.

  2. 2
    unsuccessful, or useless
    a vain attempt/bid/effort:

    They made a vain attempt to protect the town from attack.

    vain hope:

    He underwent a knee operation in the vain hope of getting into the team.

derived word



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

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Open Dictionary

Dunning-Kruger effect

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

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