பொருள் : The process of declining from a higher to a lower level of effective power or vitality or essential quality.
ஒத்த சொற்கள் : devolution
A process in which something passes by degrees to a different stage (especially a more advanced or mature stage).
The development of his ideas took many years.பொருள் : The state of being degenerate in mental or moral qualities.
ஒத்த சொற்கள் : decadence, decadency, degeneracy
பொருள் : Passing from a more complex to a simpler biological form.
ஒத்த சொற்கள் : retrogression