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: definition of mentalleave meaningdefinition of unfortunatelyfunctionality meaningdefinition of closecontiguous meaningcare meaningvolume meaningstep definitionspeak definitiondefinition of nearargue 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