Synonyms|133Antonyms|49|Broader|0Narrower|0Related|915
1
fluttery
1
fribble
1
giddily
1
giddy-brained
1
giddy-headed
1
giddy-pated
1
giddy-witted
1
harebrain
1
hoity-toity
1
impulsive
1
inane
1
inconstant(adjective, careless, unstable, unreliable, changeable)
1
jejune
1
lighthearted(adjective, ability)
1
lightsomely
1
mindless
1
preposterous
1
puerile
1
rattlebrained
1
rattleheaded
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APASmart Define. (2015). featherbrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/featherbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "featherbrained thesaurus" https://smartdefine.org/featherbrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, featherbrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/featherbrained/thesaurus/synonyms>.
MLASmart Define. "featherbrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/featherbrained/thesaurus/synonyms>