Synonyms|187Antonyms|45|Broader|0Narrower|0Related|234
1
heedless
1
idiotic(adjective, mind, think)
1
injudicious(adjective, mind, think)
1
irresponsible(excited, unreliable, changeable, fearful, fickle)
1
jejune
1
light minded(expression, idiom)
1
lightsomely
1
lively(excited, unreliable, changeable, fearful, fickle)
1
loose
1
mad
1
moronic(adjective, mind, think)
1
off
1
preposterous
1
promiscuous
1
queer(adjective, sick, well, unwell)
1
ranting
1
rattlebrained
1
sappy
1
shadowy
1
slaphappy
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ChicagoSmart Define. 2016. "lightheaded thesaurus" https://smartdefine.org/lightheaded/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lightheaded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lightheaded/thesaurus/synonyms>.
MLASmart Define. "lightheaded thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/lightheaded/thesaurus/synonyms>