15 entries under unstable topic. ×

2
airheaded(adjective, unreliable, changeable, fickle)
2
birdbrained(adjective, unreliable, changeable, fickle)
2
empty-headed(adjective, careless, silly, unreliable)
2
gaga(adjective, careless, lively, active)
2
harebrained(adjective, careless, unreliable, changeable)
1
capricious(adjective, careless, lively, active)
1
changeable(adjective, careless, lively, active)
1
dingbat(adjective, unreliable, changeable, fickle)
1
dingdong(adjective, unreliable, changeable, fickle)
1
dizzy(adjective, careless, silly, unreliable)
1
featherbrained(adjective, careless, unreliable, changeable)
1
fickle(adjective, careless, lively, active)
1
frivolous(adjective, careless, unreliable, changeable)
1
giddy(adjective, careless, silly, impulsive)
1
inconstant(adjective, careless, lively, active)
13 years ago|6.7k views|share |citing 
APASmart Define. (2013). bubbleheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bubbleheaded/thesaurus/synonyms
ChicagoSmart Define. 2013. "bubbleheaded thesaurus" https://smartdefine.org/bubbleheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, bubbleheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>.
MLASmart Define. "bubbleheaded thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>