Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: loony (loonier,looniest)  loo-nee
  1. Informal or slang term meaning insane, strange, eccentric or stupid
    "it used to drive my husband loony";
    - balmy [archaic], barmy, bats, batty, bonkers, buggy [N. Amer], cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky, dippy, daffy, wacko, daft as a brush [Brit], potty [Brit], nutsy [N. Amer], round the twist [Brit], cuckoo
Noun: loony  loo-nee
  1. Someone deranged and possibly dangerous
    - crazy [N. Amer], looney, nutcase, weirdo, headcase

Sounds like: lo

Derived forms: looniest, loonier

See also: insane

Type of: lunatic, madman, maniac

Encyclopedia: Loony

Nearest

lookout
lookout man
lookout station
look-over
look-see
lookup
loom
loon
looney
loonie
loony
loony bin
loony toons
loop
loop gain
loop knot
loop topology
looper
loophole
looping
loop-line