A lightweight or partially constructed suit, or a suit-like garment that's incomplete or transitional in design.
From 'demi' (half) + 'suit.' An English fashion term combining the French prefix with the noun suit to describe intermediate garments.
A 'demisuit' is fashion industry jargon for something between casual wear and formal suiting—it's the kind of word that exists mainly so fashion magazines can sound specialized and exclusive.
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