deteriorate
Concise Oxford English Dictionary © 2008 Oxford University Press:
deteriorate /dɪˈtɪərɪəreɪt/
▶verb become progressively worse.
– derivatives
deterioration noun,
deteriorative adjective.
deterioration noun,
deteriorative adjective.
– origin C16: from late L. deteriorat-, deteriorare, from L. deterior ‘worse’.
'deteriorate' also found in these Oxford entries:
