Definition of sumptuary
1
: relating to personal expenditures and especially to prevent extravagance and luxury
conservative sumptuary tastes— John Cheever
2
: designed to regulate extravagant expenditures or habits especially on moral or religious grounds
sumptuary laws sumptuary tax
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Merriam-Webster unabridged
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Time Traveler for sumptuary
The first known use of sumptuary was in 1600
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