Synonyms for Featherbrained:

• adj.

  •bird-brained (adjective)
  • most rattlepated,
  • scattier,
  • addle pated,
  • more addle-headed,
  • addle brained,
  • most addlepated,
  • more addle-pated,
  • most addle-brained,
  • most addle headed,
  • most addlebrained,
  • more addle brained,
  • more rattlepated,
  • more addle pated,
  • most addle brained,
  • bird brained,
  • most addle-headed,
  • scattiest,
  • addle headed,
  • more addle-brained,
  • most addle-pated,
  • more addle headed,
  • most addleheaded,
  • most addle pated,
  • more addlebrained,
  • more addlepated,
  • more addleheaded.
  •empty-headed (adjective)
  • more know-nothing,
  • empty headed,
  • most know-nothing,
  • most know nothing,
  • knownothing,
  • untaught,
  • more know nothing,
  • know nothing,
  • most knownothing,
  • un-taught,
  • un taught,
  • un schooled,
  • more knownothing,
  • un-educated,
  • un-schooled,
  • un educated,
  • uneducated.
  •flighty (adjective)
  • more airheaded,
  • most dingbat,
  • more dingdong,
  • un stable,
  • more twit,
  • more bubbleheaded,
  • un-stable,
  • more dingbat,
  • most twit,
  • mercurial,
  • un stablest,
  • un-balanced,
  • un-stablest,
  • un stabler,
  • un-steadier,
  • most bubbleheaded,
  • un-stabler,
  • in-constant,
  • un-steadiest,
  • unsteady,
  • unsteadiest,
  • un steady,
  • un steadiest,
  • un steadier,
  • most dingdong,
  • un-steady,
  • in constant,
  • most airheaded.
  •frivolous (adjective)
  • more nonserious,
  • light minded,
  • ill-considered,
  • un-profounder,
  • facetious,
  • more light minded,
  • more lightminded,
  • un profoundest,
  • un-profound,
  • non-serious,
  • more light-minded,
  • non serious,
  • illconsidered,
  • most light minded,
  • most nonserious,
  • unprofound,
  • un profound,
  • most light-minded,
  • un-important,
  • lightminded,
  • tongue-in-cheek,
  • ill considered,
  • unprofounder,
  • unprofoundest,
  • most sportive,
  • un-profoundest,
  • light-minded,
  • sportive,
  • playful,
  • un profounder,
  • nonserious,
  • most lightminded,
  • un important,
  • flippest.
  •gaga (adjective)
  • ditzier,
  • ditziest,
  • be mused,
  • most changeful,
  • more changeful,
  • be-mused,
  • ditzy,
  • changeful,
  • most lightheade,
  • more lightheade,
  • lightheade.
  •giddy (adjective)
  • bird-brained.
  •harebrained (adjective)
  • rattlebrained,
  • halfbaked,
  • loony,
  • mindless.
  •light-headed (adjective)
  • swimmy,
  • vertiginous.
  •scatterbrained (adjective)
  • in-attentive.
  •shallow (adjective)
  • shallower,
  • uncritical.
  •silly (adjective)
  • more nitwitted,
  • in-consistent,
  • most nitwitted,
  • in-appropriate,
  • muddle headed,
  • un-wise,
  • most sheepheaded,
  • un-reasonable,
  • un wiser,
  • in consistent,
  • in appropriate,
  • un-wiser,
  • un reasonable,
  • un intelligent,
  • un-intelligent,
  • un-wisest,
  • muddleheaded,
  • more sheepheaded,
  • un wise,
  • un wisest.
  •stupid (adjective)
  • simple.

• n.

  •
  • lighthearted,
  • frothy,
  • ability,
  • flighty.

• Other synonyms:

  •
  • gaga.
  •Other relevant words:
  • foolish,
  • fluttery,
  • volatile,
  • capricious,
  • harebrain,
  • thoughtless,
  • inane,
  • yeasty,
  • skittish,
  • Shallow-pated,
  • fair,
  • sappy,
  • fluffy,
  • extravagant,
  • pathetic,
  • undue,
  • Fribble,
  • flippant,
  • dizzily,
  • daft,
  • immoderate,
  • whimsical,
  • superficial,
  • birdwitted,
  • Giddy-headed,
  • babyish,
  • faint,
  • asinine,
  • cockamamie,
  • woozy,
  • wacky,
  • whacky,
  • shallow,
  • witless,
  • unreasonable,
  • brainless,
  • besotted,
  • zany,
  • light,
  • fickle,
  • featherheaded,
  • stupid,
  • slaphappy,
  • swooning,
  • excessive,
  • puerile,
  • preposterous,
  • apish,
  • hoity-toity,
  • fatuous,
  • rattleheaded,
  • blockish,
  • impulsive,
  • ridiculous,
  • absurd,
  • Giddy-brained,
  • goofy,
  • barmy.

Antonyms for Featherbrained:

• adj.

  • Other antonyms:
    no-nonsense, thoughtful, solemn, melancholy, sedate, dignified, somber, serious, staid, severe, grave, heavy, earnest, sober.