"Retrogressively" is a word in ENGLISH

A leucocyte which plays a part in retrogressive processes by taking up (eating), in the form of fine granules, the …

A going back; a retrogression; a return.

The act of passing back; passage back; return; retrogression. \"The progress or regress of man\".

The act of passing back or returning; retrogression; retrogradation.

Characterized by retrogression; retrogressive.

Retrogression.

Backward development; a passing from a higher to a lower state of organization or structure, as when an animal, approaching …

The act of retrograding, or going backward; retrogradation.

Tending to retrograde; going or moving backward; declining from a better to a worse state.

Passing from a higher to a lower condition; declining from a more perfect state of organization; regressive.