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lunar month
Lunar New Year
lunar year
lunarian
lunarscape
lunate
lunate bone
lunated
lunatic
lunatic asylum
lunatic fringe
lunation
lunch
lunch counter
lunchbox
luncheon
luncheon meat
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lunatic

lu·na·tic [ lnətik ]


adjective 
Definition:
 
1. thoughtless: considered thoughtless, ridiculous, or reckless

2. offensive term: an offensive term meaning affected by a psychiatric disorder ( archaic )



noun  (plural lu·na·tics)
Definition:
 
1. irresponsible person: somebody considered wildly reckless ( informal insult )

2. offensive term: an offensive term for somebody who has a psychiatric disorder ( archaic )

[13th century. Via French< late Latin lunaticus "moonstruck" < Latin luna "moon"]
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