goodby What is the Definition of goodby?Noun:a farewell remark Other meanings of goodby (synonyms, cognates). ENRU goodby до свидания Frequently viewed: window definitiondefinition of skilldefinition of endupdate in a sentencesource definitiondefinition of structureddefinition of budgetparentheses meaningespecially meaninghidden meaningfigure definitionmust meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z