retrogressor

the unexpected policy changes caused the negotiations to retrogress rapidly.

without consistent practice, his piano skills began to retrogress noticeably.

economists warn that the region might retrogress into poverty.

the disease can retrogress if the patient stops the medication.

we must not allow society to retrogress on human rights issues.

the political situation in the country continued to retrogress amid the crisis.

the software update seemed to retrogress the system's performance.

allowing the economy to retrogress would be a disaster for the nation.

the peace talks retrogressed into open conflict within days.

instead of evolving, the species began to retrogress due to isolation.

the contract details retrogressed to the original draft after the meeting.

severe trauma can cause a child's behavior to retrogress to earlier stages.