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