- The definition of mental is relating to the mind or to problems of the mind.
- An example of mental used as an adjective is the phrase a mental process which means a process that occurs in the mind.
- An example of mental used as an adjective is the phrase a mental illness which means a sickness in the mind.
mental definition by Webster's New World
- of or for the mind or intellect: mental powers, mental aids
- done by, or carried on in, the mind (i.e., without using written symbols): mental arithmetic
- of, having, or related to mental illness or any psychiatric disorder: a mental patient, mental health
- Informal mentally deranged; insane
- for the mentally ill: a mental hospital
- having to do with mind reading, telepathy, etc.
Origin: Middle English ; from Middle French ; from Late Latin mentalis ; from Classical Latin mens (gen. mentis), mind
- mentally adverb
Origin: ; from Classical Latin mentum, the chin ; from Indo-European base an unverified form men-, to project plush -al
mental definition by American Heritage Dictionary
- Of or relating to the mind; intellectual: mental powers.
- Executed or performed by the mind; existing in the mind: mental images of happy times.
- Of, relating to, or affected by a disorder of the mind.
- Intended for treatment of people affected with disorders of the mind.
- Of or relating to telepathy or mind reading.
- Slang a. Emotionally upset; crazed: got mental when he saw the dent in his new car.b. Offensive Slang Mentally or psychologically disturbed.
Origin: Middle English, from Old French, from Late Latin mentālis, from Latin mēns, ment-, mind; see men-1 in Indo-European roots.
- menˈtal·ly adverb
Origin: From Latin mentum, chin; see men-2 in Indo-European roots.