The word "kirs" refers to a French cocktail made with white wine and a fruit liqueur, traditionally blackcurrant. When it comes to synonyms for "kirs," there are a few options. One is to simply use the more generic term "wine cocktail," which could refer to many different types of mixed drinks. Another option is to specify the type of fruit liqueur used in the drink, such as "blueberry wine cocktail," "strawberry wine cocktail," or "cherry wine cocktail." Other synonyms could include "fruit-infused wine," "fruit-flavored wine," or "wine infusion." Ultimately, any of these terms could be used to convey the idea of a wine-based drink that has been mixed with a fruity flavor.