An atrocity is a very cruel, violent, or shocking act, especially one committed during war or against helpless people.
It comes from Latin *atrocitas*, from *atrox* meaning 'fierce, cruel, horrible'. The word has long been used for extreme acts that go far beyond ordinary wrongdoing.
Language reserves heavy words like 'atrocity' for when normal labels like 'crime' or 'violence' feel too small. Using it is a moral choice: it signals that something has crossed a line that should never be crossed.
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