" loony "

1: a person of odd or whimsical habits;

  * e.g., " ... The neighbors dismissed her as a loony when she painted sheep on her house.  "

•  Synonyms : 

•  character,

•  codger,

•  crack,

•  crackbrain,

•  crackpot,

•  crank,

•  eccentric,

•  flake,

•  fruitcake,

•  head case,

•  kook,

•  loon,

•  nut,

•  nutcase,

•  nutter,

•  oddball,

•  oddity,

•  original,

•  quiz,

•  screwball,

•  wacko,

•  weirdo,

•  zany

•  Antonyms : 

• (N/A)

1: showing or marked by a lack of good sense or judgment;

  * e.g., " ... that's got to be the looniest idea I've ever heard "

•  Synonyms : 

•  absurd,

•  asinine,

•  balmy,

•  barmy,

•  batty,

•  brainless,

•  bubbleheaded,

•  cockeyed,

•  crackbrained,

•  crackpot,

•  crazy,

•  cuckoo,

•  daffy,

•  daft,

•  dippy,

•  dotty,

•  fatuous,

•  featherheaded,

•  fool,

•  foolish,

•  fruity,

•  gaga,

•  half-baked,

•  half-witted,

•  harebrained,

•  inept,

•  insane,

•  jerky,

•  kooky,

•  loony tunes,

•  lunatic,

•  lunkheaded,

•  mad,

•  meshuga,

•  nonsensical,

•  nutty,

•  preposterous,

•  sappy,

•  screwball,

•  senseless,

•  silly,

•  simpleminded,

•  stupid,

•  tomfool,

•  unwise,

•  wacko,

•  wacky,

•  weak-minded,

•  witless,

•  zany

•  Antonyms : 

•  judicious,

•  prudent,

•  sagacious,

•  sage,

•  sane,

•  sapient,

•  sensible,

•  sound,

•  wise

1: showing or marked by a lack of good sense or judgment;

  * e.g., " ... Nobody could tell whether she was serious with that loony tunes idea she put forward.  "

•  Synonyms : 

•  absurd,

•  asinine,

•  balmy,

•  barmy,

•  batty,

•  brainless,

•  bubbleheaded,

•  cockeyed,

•  crackbrained,

•  crackpot,

•  crazy,

•  cuckoo,

•  daffy,

•  daft,

•  dippy,

•  dotty,

•  fatuous,

•  featherheaded,

•  fool,

•  foolish,

•  fruity,

•  gaga,

•  half-baked,

•  half-witted,

•  harebrained,

•  inept,

•  insane,

•  jerky,

•  kooky,

•  loony,

•  lunatic,

•  lunkheaded,

•  mad,

•  meshuga,

•  nonsensical,

•  nutty,

•  preposterous,

•  sappy,

•  screwball,

•  senseless,

•  silly,

•  simpleminded,

•  stupid,

•  tomfool,

•  unwise,

•  wacko,

•  wacky,

•  weak-minded,

•  witless,

•  zany

•  Antonyms : 

•  judicious,

•  prudent,

•  sagacious,

•  sage,

•  sane,

•  sapient,

•  sensible,

•  sound,

•  wise