Decadence is defined as a state of moral or cultural decline, often characterized by excessive indulgence or extravagance. Synonyms for this word include debauchery, corruption, degeneracy, decay, decline, deterioration, erosion, and falling apart. These terms describe the gradual decline of something from a higher state to a lower one, usually due to the lack of proper care or attention. Other synonyms for decadence might include dissolution, depravity, iniquity, intemperance, licentiousness, dissipation, and dissoluteness. These words all describe behaviors or attitudes that lead to a decline in ethics, morals, or values. Whether describing the downfall of an individual, a society, or a culture, these synonyms help to express the idea of decadence in different contexts.