7 entries under silly topic. ×

11
dizzy(adjective, slang, ability, careless)
11
empty-headed(adjective, slight, ability, careless)
10
frivolous(adjective, slight, ability, careless)
10
giddy(adjective, simple, ability, careless)
8
harebrained(adjective, ability, careless, foolish)
7
light-headed(adjective, faint)
6
flighty(adjective, slight, ability, careless)
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APASmart Define. (2015). featherbrained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/featherbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "featherbrained thesaurus" https://smartdefine.org/featherbrained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, featherbrained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/featherbrained/thesaurus/synonyms>.
MLASmart Define. "featherbrained thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/featherbrained/thesaurus/synonyms>