vain

/veษชn/

IPA: /V EY1 N/

adjective
  1. 1

    Overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason.

  2. 2

    Having no real substance, value, or importance; empty; void; worthless; unsatisfying.

  3. 3

    Effecting no purpose; pointless, futile.

    โ€œvain toil;โ€ƒ a vain attemptโ€

  4. 4

    Showy; ostentatious.

Source: https://en.wiktionary.org/wiki/vain