mental meaning and definition

MENTAL adjective

Definition of mental (adjective)

1. 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"
   • antonym: physical
2. of or relating to the mind
   • "mental powers"; "mental development"; "mental hygiene"
3. of or relating to the chin- or liplike structure in insects and certain mollusks
4. of or relating to the chin or median part of the lower jaw
   • synonyms: genial
5. affected by a disorder of the mind
   • "a mental patient"; "mental illness"