debauchery /dɪˈbɔː.t͡ʃə.ɹi/ noun2 •(disapproving) An excessive indulgence in sensual pleasures; scandalous and immoral activities; involving sex, alcohol, or drugs without inhibition.The novel depicts the debauchery of the ruling class.He sank into a life of debauchery. •(no longer used) A seduction from duty. formsdebaucheries