1. Costly; splendid; magnificent.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sumptious,
• sumptous,
• sumptuis,
• sumptuious,
• sumtuous,
• suptouous,
• srumptious,
• sumptuos,
• temptuous,
• sumptoms,
• scumptous,
• sumptouous,
• sumpuous,
• sumpteous,
• gumptiuous,
• gumptous,
• sumptuery,
• sumptuari,
• sumptuouse,
• sumputous

• sumptuosity,
• sumptuary,
• sumpter,
• sumptuously.

The adjective form of the word "sumptuous" is "sumptuous".

The plural form of "sumptuous" is "sumptuous." The word does not change in plural form as it is an adjective that describes something luxurious or expensive.

The singular form of the word "sumptuous" is "sumptuousness"