Adjective

(-)

Of or relating to the mind or an intellectual process.

*

*:“I don't mean all of your friends—only a small proportion—which, however, connects your circle with that deadly, idle, brainless bunch—the insolent chatterers at the opera,, the neurotic victims of mental cirrhosis, the jewelled animals whose moral code is the code of the barnyard—!"

*{{quote-magazine, date=2013-07-19, author= Ian Sample

, volume=189, issue=6, page=34, magazine=(The Guardian Weekly) , title= Irregular bedtimes may affect children's brains , passage=Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits.  ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.}}

Insane, mad, crazy.

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Enjoyable; fun.

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(lb) Of or relating to the chin or median part of the lower jaw, genial.

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(lb) Of or relating to the chin-like or lip-like structure.

Adjective

(en-adj)

Lacking good sense or judgement; unwise.

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*

*:As a political system democracy seems to me extraordinarily foolish , but I would not go out of my way to protest against it. My servant is, so far as I am concerned, welcome to as many votes as he can get. I would very gladly make mine over to him if I could.

Resembling or characteristic of a fool.

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*(Aeschylus)

*:It is a profitable thing, if one is wise, to seem foolish .