mental Meaning, Definition & Usage

  1. adjective involving the mind or an intellectual process
    • mental images of happy times
    • mental calculations
    • in a terrible mental state
    • mental suffering
    • free from mental defects
  2. adjective of or relating to the mind
    • mental powers
    • mental development
    • mental hygiene
  3. adjective of or relating to the chin- or liplike structure in insects and certain mollusks
  4. adjective of or relating to the chin or median part of the lower jaw
    genial.
  5. adjective satellite affected by a disorder of the mind
    • a mental patient
    • mental illness

WordNet

Men"tal adjective
Etymology
L. mentum the chin.
Definitions
  1. (Anat.) Of or pertaining to the chin; genian; as, the mental nerve; the mental region.
Men"tal noun
Definitions
  1. (Zoöl.) A plate or scale covering the mentum or chin of a fish or reptile.
Men"tal adjective
Etymology
F., fr. L. mentalis, fr. mens, mentis, the mind; akin to E. mind. See Mind.
Definitions
  1. Of or pertaining to the mind; intellectual; as, mental faculties; mental operations, conditions, or exercise.
    What a mental power This eye shoots forth! Shak.

Webster 1913