Jumbo (9)
'jumbo' is the definition.
(thesaurus)
This is all the clue.
(Another definition for oversized that I've seen is " bulkier than usual".)
'jumbo' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for large that I've seen before include "Bumper" , "Vast" , "Great being regal" , "Of considerable size or extent" , "Lake" .)