Mental

[men-tl] /ˈmɛn tl/

adjective
1.
of or relating to the mind:
mental powers; mental suffering.
2.
of, relating to, or affected by a disorder of the mind:
a mental patient; mental illness.
3.
providing care for persons with disordered minds, emotions, etc.:
a mental hospital.
4.
performed by or existing in the mind:
mental arithmetic; a mental note.
5.
pertaining to intellectuals or intellectual activity.
6.
Informal. slightly daft; out of one’s mind; crazy:
He’s mental.
noun
7.
Informal. a person with a psychological disorder:
a fascist group made up largely of mentals.
[men-tl] /ˈmɛn tl/
adjective
1.
of or relating to the chin.
/ˈmɛntəl/
adjective
1.
of or involving the mind or an intellectual process
2.
occurring only in the mind: mental calculations
3.
affected by mental illness: a mental patient Preferred form psychiatric
4.
concerned with care for persons with mental illness: a mental hospital Preferred form psychiatric
5.
(slang) insane
/ˈmɛntəl/
adjective
1.
(anatomy) of or relating to the chin Also genial
adj.

early 15c., “pertaining to the mind,” from Middle French mental, from Late Latin mentalis “of the mind,” from Latin mens (genitive mentis) “mind,” from PIE root *men- “to think” (cf. Sanskrit matih “thought, mind,” Gothic gamunds, Old English gemynd “memory, remembrance;” see mind (n.)). Meaning “crazy, deranged” is from 1927, probably from combinations such as mental hospital.

mental men·tal1 (měn’tl)
adj.

mental 2
adj.
Of or relating to the chin.

adjective

Crazy; deranged; nutty: And the son, William, went absolutely mental (1927+ British)

noun

A deranged person; nut (1913+ British)