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loon·y or loon·ey also lun·y  (lnē) Informal
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Tweet adj. loon·i·er, loon·i·est also lun·i·er or lun·i·est 1. Extremely foolish or silly. 2. Mentally deranged; crazy. n. pl. loon·ies or loon·eys also lun·ies A foolish or crazy person. looni·ly adv. looni·ness n. |
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