Mar 10, Generally, I use the term “cordial” when the syrup is fruit/citrus juice and concentrated flavor vehicles for drinks and cocktails of all kinds. These terms describe drinks served before (apéritif) and after (digestif) a meal. Cordial, in the United States, is generally used interchangeably with liqueur. (British English) [uncountable, countable] a sweet drink that does not contain alcohol, made from fruit juice. It is drunk with water added. blackcurrant cordial. What Is Considered A Cordial Drink?