Save Type Surname (from nickname) Usage German Meaning & History From Old High German groz meaning "tall, big". Related NamesDetails RootgrozVariantsGroos, Gross, Große, Grosse, Größel, Großel, Großer, GrosserOther Languages & CulturesDe Groot, Groot(Dutch) Grósz(Hungarian) Same SpellingGross Categories German words, isograms, sizes