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

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

ascending atavistic axial back back-flowing backward coming apart cracking crumbling decadent declining degenerate descending deteriorating disintegrating down-trending downward draining drifting drooping dwindling ebbing effete fading failing falling flagging flowing fluent flying fragmenting going going to pieces gyrational gyratory languishing marcescent mounting passing pining plunging progressive reactionary recessive recidivist recidivous reflowing refluent regressive retroactive retrocessive retrograde retrorse retroverse returnable reversible reversional reversionary revertible revulsionary rising rotary rotational rotatory running rushing shriveling sideward sinking sliding slipping slumping soaring streaming subsiding tabetic up-trending upward waning wasting wilting withering worsening