Antonyms of adj retrogressive

1 sense of retrogressive

Sense 1
retrograde, retrogressive -- (going from better to worse)

INDIRECT (VIA regressive) -> progressive -- (favoring or promoting progress; "progressive schools")

Similarity of adj retrogressive

1 sense of retrogressive

Sense 1
retrograde, retrogressive -- (going from better to worse)
       => regressive (vs. progressive) -- (opposing progress; returning to a former less advanced state)