retrogresses is retrogress's Simple Present

retrogress

US 
UK 
  • v.【生】退化;衰退
  • Web倒退;退步;后退
Past Participle:retrogressed  Present Participle:retrogressing  Simple Present:retrogresses  
v.
1.
【生】退化
2.
倒退,退步,衰退