Wearing a blouse; dressed in a blouse, or having the appearance of a full, puffy blouse.
From blouse (a loose-fitting garment) plus -ed, creating an adjective describing someone wearing a blouse or fabric gathered like one.
Bloused can mean either 'wearing a blouse' (simple description) or describe the bunched-up way fabric gathers—soldiers and fashion designers use it differently, showing how one word can have technical meanings in specialized fields.
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