Used in informal settings, might be seen as rude or disrespectful in formal conversations. Don’t call anyone an airhead during a job interview.
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Pejorative Term
It is a negative term implying lack of intelligence, so use it carefully to avoid offending someone. His teammates jokingly called him an airhead after his silly mistake.
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Gender Stereotype
Sometimes used to stereotype women as ditzy or scatterbrained, which is misogynistic. The movie's character is an airhead blonde, a common sexist trope.