1.nounA flavoured alcoholic beverage that is usually very sweet and contains a high percentage of alcohol. Cordials are a type of liqueur manufactured using the infusion process as opposed to the essence and distillation processes.
2.verbTo flavor or treat (wine) with a liqueur
3.verbTo top up bottles of sparkling wine with a sugar solution
"Every champagne has to be liqueured after its disgorgement, to replace the inevitable loss."