Relating to or characterized by collusion; involving secret dishonest agreement between parties.
From Latin 'collusorius' (relating to collusion), derived from 'colludere.' The '-ory' suffix creates adjectives meaning 'relating to' or 'serving to.' This is a less common variant of 'collusive.'
While 'collusive' is much more common in modern legal language, 'collusory' appears in older legal texts and formal English—it's one of those archaic variants that linguists keep alive in historical documents and crossword puzzles.
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