Debauch means to destroy or corrupt someone's morals. Overnight fame and wealth might debauch a previously mild-mannered and altruistic actor. As a noun, debauch refers to a wild party characterized by excess.

The old-fashioned meaning of debauch involved antiquated ideas about virtue and the idea that a person's "moral purity" could be corrupted. Today this word is mostly used when a person's integrity or principles are corrupted, often under the influence of money or power. You might say that artists debauch themselves when their designs show up on mass produced T-shirts. As a noun, debauch refers to an out-of-control party — in other words, a gathering at which one's morals might be corrupted.

Definitions of debauch
  1. noun
    a wild gathering
    synonyms: bacchanal, bacchanalia, debauchery, drunken revelry, riot, saturnalia
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    type of:
    revel, revelry
    unrestrained merrymaking
  2. verb
    corrupt morally or by intemperance or sensuality
    synonyms: corrupt, debase, demoralise, demoralize, deprave, misdirect, pervert, profane, subvert, vitiate
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    carnalise, carnalize, sensualise, sensualize
    debase through carnal gratification
    corrupt with ideas or an ideology
    lead astray, lead off
    teach immoral behavior to
    spoil as if by poison
    bastardise, bastardize
    change something so that its value declines; for example, art forms
    incite to commit a crime or an evil deed
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
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