Simple Definition of retrogressive
: causing a return to an earlier and usually worse state
Full Definition of retrogressive
: characterized by retrogression: as a : going or directed backward b : declining from a better to a worse state c : passing from a higher to a lower level of organization <retrogressive evolution>
First Known Use of retrogressive
Seen and Heard
What made you want to look up retrogressive? Please tell us where you read or heard it (including the quote, if possible).