Definition of "sumptuosity" [sump•tu•os•i•ty]

• Expensiveness; costliness; sumptuousness. (noun)

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• "No one on earth is now quite so richly dressed as she was, no one old or young indulges in so quiet and yet so profound a sumptuosity."
• "Mortimer; the elegant marriage cake, which, already cut up and portioned, is, alas! not destined to be eaten by the friends of Mr. De la Pl-che; the superb carriages, and magnificent liveries, which had been provided in a style of the most lavish yet tasteful sumptuosity."
• "He was rather a favourite with the regiment, treating the young officers with sumptuosity, and amusing them by his military airs."