1
slow-witted
1
soft
1
softheaded
1
spirited(lively, unpredictable, changeable, temperamental, resilient)
1
sprightly(lively, unpredictable, changeable, resilient)
1
stupid
1
thick
1
thick-witted
1
thickheaded
1
ticklish(lively, unpredictable, changeable, temperamental)
1
tomfool
1
unintelligent
1
unsmart
1
unstable(lively, unpredictable, unreliable, changeable, erratic)
1
unwise
1
up-and-down(lively, unpredictable, changeable, temperamental, resilient)
1
vacuous
1
variable(lively, unpredictable, unreliable, changeable, erratic)
1
volatile(lively, unpredictable, unreliable, changeable, erratic)
1
wacky
13 years ago|6.7k views|share |citing 
APASmart Define. (2013). bubbleheaded thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bubbleheaded/thesaurus/synonyms
ChicagoSmart Define. 2013. "bubbleheaded thesaurus" https://smartdefine.org/bubbleheaded/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, bubbleheaded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>.
MLASmart Define. "bubbleheaded thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>