supererogatory

(-i rägə tôr′ē)

adjective

  1. done or observed beyond the degree required or expected
  2. superfluous

Origin: ML supererogatorius: see supererogate & -ory

See supererogatory in American Heritage Dictionary 4

adjective
  1. Performed or observed beyond the required or expected degree.
  2. Superfluous; unnecessary: “It was supererogatory for her to gloat” (Mary McCarthy).

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