#1 degeneration n. [devolution] the process of declining from a higher to a lower level of effective power or vitality or essential quality. wn
#2 degeneration n. [degeneracy, decadence, decadency] the state of being degenerate in mental or moral qualities. wn
#3 degeneration n. [retrogression] passing from a more complex to a simpler biological form. wn
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