/ ˈsʌmptʃuəs; NAmE / adjective
( formal ) very expensive and looking very impressive :
a sumptuous meal
We dined in sumptuous surroundings.
► sump·tu·ous·ly adverb
► sump·tu·ous·ness noun [ U ]
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WORD ORIGIN
late Middle English (in the sense made or produced at great cost ): from Old French somptueux , from Latin sumptuosus , from sumptus expenditure, from sumere take.