Semi-sweet means lightly sweetened, carrying noticeable sweetness without being sugary. The term is most familiar from chocolate, where semi-sweet sits between milk and dark: enough sugar to soften bitterness, not so much as to dominate the cocoa. It also describes wines, biscuits, and preserves where the maker wants balance rather than dessert-level sweetness. In labelling it is descriptive rather than tightly regulated, so one maker’s semi-sweet may be another’s medium. For the cook it signals versatility: semi-sweet chocolate melts into ganache, glazes cakes, and eats out of hand, while semi-sweet wine pairs with dishes that would clash with either dry or fully sweet bottles. It is sweetness with restraint.