A sweet wine usually you already recognize by the label. French white, sweet wines are represented by the keywords, moelleux, doux, vendage tardive or sélection de grains nobles, liquoreux, dessert.
Moelleux is equal to slightly sweet, doux stands for sweet wine. Vendage tardive is an almost sweet wine, with the exception of the vendage tardive sec, which rather indicates a dry wine. A sugar-sweet wine at the liquoreux, dessert, and sélection de grains nobles wine.