grandad grand • grandam · · · Info · Definitions · Synonyms · Characters · · grandad · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) the father of your father or mother. Synonyms: grandfather, gramps, granddad, granddaddy, grandpa. · · Noun Definition 1 Synonyms · · · grandfather · · Synonym 1 gramps · · Synonym 2 granddad · · Synonym 3 granddaddy · · Synonym 4 grandpa · · Synonym 5 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 n latin small letter n U+006E r latin small letter r U+0072