14
disorganised person
11
insane
4
featherbrain
4
fool(noun, ignoramus)
4
simpleton(noun, ignoramus)
3
birdbrain(noun, ignoramus)
3
dunce(noun, person, ignoramus)
3
forgetful person(noun, expression, idiom)
3
lunatic(noun, person, mad, schizophrenic, worrier)
3
rattlebrain
2
blockhead(noun, ignoramus)
2
ditz
2
dolt(noun, ignoramus)
2
dullard(noun, ignoramus)
2
featherhead
2
idiot(noun, ignoramus)
2
ignoramus(noun, ignoramus)
2
moron(noun, ignoramus)
1
airhead
1
bonehead(noun, ignoramus)
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). scatterbrain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/scatterbrain/thesaurus/synonyms
ChicagoSmart Define. 2015. "scatterbrain thesaurus" https://smartdefine.org/scatterbrain/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, scatterbrain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/scatterbrain/thesaurus/synonyms>.
MLASmart Define. "scatterbrain thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/scatterbrain/thesaurus/synonyms>