somptueux
sumptuous, lavish
adjective sohmp-tyoo-UH Rare
Origin: Latin sumptuosus (costly)
Usage Note
Somptueux conveys rich, impressive luxury — un repas somptueux, un décor somptueux. The feminine form is somptueuse, and the adverb somptueusement means lavishly. Historically, lois somptuaires (sumptuary laws) were regulations limiting extravagant personal spending, a term still used in historical and legal contexts.
Examples
"Le banquet était somptueux et très élaboré."
Natural Translation
The banquet was sumptuous and very elaborate.

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