Definify.com

Webster 1913 Edition

Noun.

[A corruption of

non compos

A fool; a silly or stupid person.

[Law]

An old ninnyhammer, a dotard, a

nincompoop

, is the best language she can afford me.

Addison.

Noun.

[said to be a corruption of L. non compos, not of sound mind.] A fool; a blockhead; a trifling dotard. [A low word.]