Synonyms|220Antonyms|90|Broader|0Narrower|0Related|907

79 entries under adjective topic. ×

2
lighthearted
2
mindless(silly, foolish, innocent, dense)
2
moronic(dull, simple, slow, silly)
2
obtuse(innocent, thick, unfamiliar, unconscious)
2
scatterbrained
2
shallow(stupid, innocent, thick, unfamiliar)
2
thick(innocent, green, unfamiliar, unconscious)
2
vacuous(empty, unintelligent)
1
apprenticed(innocent, thick, unfamiliar, unconscious)
1
benighted(innocent, thick, unfamiliar, unconscious)
1
blind to(expression, innocent, unfamiliar, unconscious)
1
cretinous(innocent, thick, unfamiliar, unconscious)
1
dingbat(unstable, unreliable, changeable, fickle)
1
dingdong(unstable, unreliable, changeable, fickle)
1
dumbbell(dull, simple, slow, limited)
1
dumbo(dull, simple, slow, limited)
1
dumdum(dull, simple, slow, limited)
1
green(innocent, thick, unfamiliar, unconscious)
1
illiterate(innocent, thick, unfamiliar, unconscious)
1
inexperienced(innocent, thick, unfamiliar, unconscious)
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ChicagoSmart Define. 2015. "birdbrained thesaurus" https://smartdefine.org/birdbrained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, birdbrained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/birdbrained/thesaurus/synonyms>.
MLASmart Define. "birdbrained thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/birdbrained/thesaurus/synonyms>