Definition of oldster noun from the Oxford Advanced Learner's Dictionary

 

oldster

 noun
noun
BrE BrE//ˈəʊldstə(r)//
 
; NAmE NAmE//ˈoʊldstər//
 
(informal)
 
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an old person Word Origin early 19th cent.: from old, on the pattern of youngster.
See the Oxford Advanced American Dictionary entry: oldster