3
bird-brained(adjective, giddy)
3
careless(adjective, indifferent, foolish, apathetic, thoughtless)
3
crazy
3
daft(adjective, simple, slow, foolish, stupid)
3
dippy
3
distracted(adjective, ignore, careless, forget, apathetic)
3
distrait(adjective, ignore, careless, forget, apathetic)
3
ditsy(adjective, silly)
3
dumb(adjective, simple, slow, silly, foolish)
3
feather-brained
3
featherbrained(adjective, ability)
3
fitful(adjective, capricious)
3
flitting(adjective, capricious)
3
fluctuating(adjective, capricious)
3
forgetful(adjective, ignore, forget, vague, absent)
3
head-in-the-clouds
3
idiotic
3
inattentive(adjective, careless, attention, remote, vague)
3
indecisive(adjective, capricious)
3
irrational
11 years ago|11k views|share |citing 
APASmart Define. (2015). scatterbrained thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/scatterbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "scatterbrained thesaurus" https://smartdefine.org/scatterbrained/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, scatterbrained thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/scatterbrained/thesaurus/synonyms>.
MLASmart Define. "scatterbrained thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/scatterbrained/thesaurus/synonyms>