Pronunciation: (dek'u-duns, di-kād'ns),[key] —n. 1. the act or process of falling into an inferior condition or state; deterioration; decay: Some historians hold that the fall of Rome can be attributed to internal decadence. 2. moral degeneration or decay; turpitude.
3. unrestrained or excessive self-indulgence.
4. (often cap.) the decadent movement in literature. Also,dec•a•den•cyPronunciation: (dek'u-dun-sē, di-kād'n-).[key]