Re`tro*gres"sive, a. [Cf. F. rétrogressif.] 1. Tending to retrograde; going or moving backward; declining from a better to a worse state.

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

Re`tro*gres"sive, a. [Cf. F. rétrogressif.] 1. Tending to retrograde; going or moving backward; declining from a better to a worse state.

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