1. in a way that shows excessive indulgence in luxury, pleasure, or comfort, often considered morally corrupt or in decline
Usage: commonly used to describe behavior, lifestyle, or consumption patterns

Examples

• She decadently enjoyed a seven-course meal at the five-star restaurant.
• The wealthy family lived decadently, spending money without concern for consequences.
• He decadently ordered the most expensive wine on the menu.
• The resort offered decadently appointed suites with marble bathrooms and silk furnishings.
• They decadently celebrated their anniversary with champagne and caviar.
• The cake was decadently rich, layered with chocolate ganache and gold leaf.