lunatic

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Related to loony: looney, loony bin

lunatic

adjective absurd, bereft of reason, crazed, crazy, daft, dementate, demented, deranged, disordered, foolish, frenetic, frenzied, insane, insensate, irrational, mad, maniacal, manic, mentally aberrant, mentally ill, mentally unbalanced, nonsensical, obsessed, of unsound mind, out of one's mind, out of one's senses, possessed, raging, raving, reasonless, senseless, touched, unhinged, wandering, wild
See also: non compos mentis

LUNATIC, persons. One who has had an understanding, but who, by disease, grief, or other accident, has lost the use of his reason. A lunatic is properly one who has had lucid intervals, sometimes enjoying his senses, and sometimes not. 4 Co. 123; 1 Bl. Com. 304; Bac. Abr. Idiots, &c., A; 1 Russ. on Crimes, 8; Shelf. on Lun. 4; Merlin, mot Demence; Fonb. Eq. Index, h.t.; 15 Vin. Ab. 131; 8 Com. Dig. 721; 1 Supp. to Ves. jr. 94, 130, 369, 404; 2 Supp. to Ves. jr. 51, 106, 151, 360; 1 Vern. 9, 137, 262; Louis. Code, tit. 9, c. 1; and articles Lucid Interval; Lunacy.

References in periodicals archive ?
The Monster Raving Loony Party failed to move on and ended up being too loony.
When David died in 1999, the Monster Raving Loony Party went downhill,' said Mick, who has taken the post of deputy leader in his new breakaway brigade.
No, not the race to replace Labour's John Prescott, but the contest to take over from Honley's Melodie Staniforth as second in command of the Official Monster Raving Loony Party.
We decided to change our name because we felt the Monster Raving Loony Party was David Sutch's,' Mr Hames said.
Monster Raving Loony Party candidate Mad Cow-Girl said: "I may be a loony but I'm not mad enough to want dangerous people walking free in the name of political correctness.
Loony policies included a "chav" tax, bringing out a 99p coin to save having loose pennies and making children smaller to save on classroom space.
The Silver Jubilee Man versus Horse race being held in Wales today will also feature the world's first Loony Marathon as a tribute to its most outrageous fan, the late Screaming Lord Sutch.
A Midland town has been declared the craziest place in Britain - after an all-new Loony Party decided to put up a dozen candidates in next month's local elections.
LOONY Tunes Safe Sun Lotion has extra water resistance, a built-in insect repellent and is fragrance free to minimise any tendency to skin allergies.
In addition to the zany gameplay with dramatic dunks, signature slams, special shots and loony moves, Space Jam increases players' shooting power and speed, taking basketball a step further by including special side games between periods, including the "Space Race," "Locker Room Challenge" and "The Trophy Room.
TORY David Davis's bid to hold a by-election on the new anti-terror laws descended into farce last night when only the Monster Raving Loony Party confirmed they would stand against him.