· the process of declining from a higher to a lower level of effective power or vitality or essential quality
Synonym(s): devolution
Hypernym(s): process, physical_process
· the state of being degenerate in mental or moral qualities
Synonym(s): degeneracy, decadence, decadency
Hypernym(s): abasement, degradation, abjection
· passing from a more complex to a simpler biological form
Synonym(s): retrogression
Hypernym(s): transformation, transmutation, shift