Lu"na*tic (?), a. [F. lunatique, L. lunaticus, fr. luna the moon. See Lunar.]
1.
Affected by lunacy; insane; mad.
Lord, have mercy on my son; for he is lunatic.
Wyclif (Matt. xvii. 15).
2.
Of or pertaining to, or suitable for, an insane person; evincing lunacy; as, lunatic gibberish; a lunatic asylum.
© Webster 1913.
Lu"na*tic, n.
A person affected by lunacy; an insane person, esp. one who has lucid intervals; a madman; a person of unsound mind.
The lunatic, the lover, and the poet,
Are of imagination all compact.
Shak.
© Webster 1913.