Mental Definition

mĕntl

adjective

Of or for the mind or intellect.

Mental powers, mental aids.

Webster's New World

Executed or performed by the mind; existing in the mind.

Mental calculation; a mental image.

American Heritage Medicine

Done by, or carried on in, the mind (i.e., without using written symbols)

Mental arithmetic.

Webster's New World

Mentally deranged; insane.

Webster's New World

Of, having, or related to mental illness or any psychiatric disorder.

A mental patient, mental health.

Webster's New World

Synonyms:

Antonyms:

noun

(zoology) A plate or scale covering the mentum or chin of a fish or reptile.

Wiktionary

Synonyms:

Origin of Mental

From Middle French mental, from Late Latin mentālis (“of the mind, mental"), from Latin mÄ“ns (“the mind"). Also from Latin mentum (“the chin"), depending on usage.

From Wiktionary
Middle English from Old French from Late Latin mentālis from Latin mēns ment- mind men-¹ in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Latin mentum chin men-² in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition