retrogress

to go back to a previous and usually lower state or level <the quality of research at the university lab has begun to retrogress since the massive budget cuts went into effect> Synonyms regress, return, revertRelated Words backslide, lapse, relapse; throw back; ebb; decline, degenerate, drop, fall, retrograde, worsenNear Antonyms grow, mature, ripenAntonyms advance, develop, evolve, progress