Plural of hackery; instances of dishonest or hack writing, shameful practices, or shoddy work.
From hack (mediocre writer or dishonest act) + -ery (suffix meaning 'practice or place of'). The -ery suffix comes from Old French and creates nouns meaning a collection of or instances of a particular activity.
In the 18th and 19th centuries, London newspapers were infamous for 'hackeries'—sensationalized stories written by 'hacks' desperate to sell papers, which is exactly what created the term 'yellow journalism' decades later.
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