airbrained

airbrained: adj

American

silly, frivolous, empty-headed. Slightly less derogatory than the noun airhead, this term has not been imported into Brit-ain to any significant extent, perhaps because of possible confusion with 'hare-brained' which is still in widespread use.

► She's not just some airbrained bimbo, you know.

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ignorance — I (New American Roget s College Thesaurus) Lack of knowledge Nouns 1. ignorance, nescience; illiteracy; darkness, blindness; incomprehension, inexperience, simplicity, simpleness, innocence; stupidity; unawareness. See folly, insanity,… … English dictionary for students
ditsy — [adj] silly airbrained, airheaded, daffy*, dippy*, dipsy*, dizzy*, dopey, eccentric, empty, giddy, goofy*, inane, kooky*, rattlebrained, scatterbrained; concepts 314,401 … New thesaurus

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