English noun: retrogression | |||
1. | retrogression (event) passing from a more complex to a simpler biological form | ||
Synonyms | degeneration | ||
Broader (hypernym) | shift, transformation, transmutation | ||
Narrower (hyponym) | abiotrophy, cataplasia | ||
2. | retrogression (act) returning to a former state | ||
Synonyms | regress, regression, retroversion, reversion | ||
Broader (hypernym) | reversal | ||