Synonyms|134Antonyms|66|Broader|0Narrower|0Related|761

28 entries under adjective topic. ×

1
frivolous(careless, unstable, unreliable, changeable)
1
giddy(careless, silly, unstable, impulsive)
1
heedless(careless, silly, unsteady, inconstant)
1
inconstant(careless, lively, active, unstable)
1
irresolute(careless, silly, unsteady, inconstant)
1
mercurial(lively, unpredictable, unreliable, changeable)
0
frothy(careless, inconstant, giddy)
0
lightheade(careless, inconstant, frothy, giddy)
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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>