Found 2 items, similar to oldster.
English → English (WordNet) Definition: oldster oldster n : an elderly person [syn: old person, senior citizen, golden ager ]
English → English (gcide) Definition: Oldster Oldster \Old"ster\, n. [Cf. Youngster.] An old person. [Jocular] --H. Kingsley. [1913 Webster]