Decadent describes something luxuriously rich and self-indulgent, often in a way that feels a little excessive or over the top. When someone describes a chocolate cake as decadent, they mean it's incredibly rich, probably loaded with chocolate and cream, and eating it feels like a special treat rather than an everyday dessert. A decadent meal might include multiple courses, expensive ingredients, and elaborate preparation.

The word carries a sense of abundance beyond what's necessary. A simple birthday party with cake and games is fun, but a decadent celebration might feature an enormous dessert table, professional entertainment, and fancy decorations everywhere. It's enjoyable but also a bit extravagant.

Historians also use decadent to describe societies or periods when people became more focused on pleasure and luxury than on the hard work and discipline that built their success in the first place. Ancient Rome's later years are sometimes called decadent because wealthy Romans threw elaborate feasts and focused on entertainment while neglecting the responsibilities that had made Rome powerful. In this sense, decadence suggests that too much comfort and indulgence can make people complacent or distracted from what really matters.