debauch
Concise Oxford English Dictionary © 2008 Oxford University Press:
debauch /dɪˈbɔːtʃ/
▶verb destroy the moral purity of; corrupt. ▶noun a bout of excessive indulgence in sex, alcohol, or drugs.
– derivatives
debaucher noun.
debaucher noun.
– origin C16: from Fr. débaucher (v.) ‘turn away from one's duty’, from OFr. desbaucher, of uncertain ultimate origin.
'debauch' also found in these Oxford entries:

