degeneration

• the state of being degenerate in mental or moral qualities
• the process of declining from a higher to a lower level of effective power or vitality or essential quality
• passing from a more complex to a simpler biological form
• The act or state of growing worse, or the state of having become worse
• That condition of a tissue or an organ in which its vitality has become either diminished or perverted
• A gradual deterioration, from natural causes, of any class of animals or plants or any particular organ or organs
• The thing degenerated

Report error with a word Suggest a new definition

You can also check definition for degeneration on wikipedia or google (link opens in new window)