deteriorate

de·te·ri·o·rate
UK: /dɪtˈi‍əɹi‍əɹˌe‍ɪt/   US: /dɪˈtɪɹiɝˌeɪt/
sagnorð
  • versna
  • gera verra
  • hraka
  • hnigna
  • rýrna (deteriorate in value)

Samheiti: degenerate, devolve, drop