loony

名词 loony:

1. someone deranged and possibly dangerous
   同义词：crazy, looney, weirdo

形容词 loony:

1. informal or slang terms for mentally irregular
   同义词：balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky

1. He does have some pretty loony ideas.
   他的确有些颇为狂妄的想法。

loony 或 loon.ey 也作 lun.y

adj.（形容词）
loon.i.er,loon.i.est
Extremely foolish or silly.
极其傻或蠢的
Crazy; insane.
发狂的：失去理智的；头脑不清的
n.（名词）
【复数】 loon.ies 也作 loon.eys
A foolish or crazy person.
愚蠢或失去理智的人

来源：
Shortening and alteration probably influenced by loon
可能受 loon的影响
of lunatic
lunatic的简写和变化

【引伸】
loon.ily
adv.（副词）
loon.iness
n.（名词）