Plush (9)
'plush' is the definition.
(thesaurus)
This is the entire clue.
(Another definition for luxurious that I've seen is " Very comfortable".)
'plush' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for opulent that I've seen before include "Wealthy, possessing riches" , "Well-to-dp. affluent" , "Ostentatiously costly and luxurious" , "Wealthy, got lots of money" , "'Rich, sumptuous (7)'" .)