grandparent What is the Definition of grandparent?Noun:a parent of your father or mother Other meanings of grandparent (synonyms, cognates). ENRU grandparent дедбабушка Frequently viewed: much meaningmiddle meaningterm meaningmean meaningcustom meaningstructured meaningdefinition of reservationdefinition of sonmoment in a sentenceclarity meaningcouple definitionart 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