In a manner that is outside or beyond the regular legal system; without proper legal procedure or court involvement.
From extrajudicial + '-ly' (adverbial suffix). This adverbial form parallels the adjective, used to describe how actions are performed outside legal channels.
When governments act extrajudicially, they bypass centuries of legal protections designed to ensure fairness—it's why human rights organizations consider it one of the most dangerous threats to democracy!
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