To cause to be unable to think with clarity or act with intelligence or understanding; throw off. To cause to feel embarrassment. To mistake (for another): confused effusiveness with affection. To make opaque; blur: "The old labels ... confuse debate instead of clarifying it\u201d ( Christopher Lasch). To assemble without order or sense; jumble. Archaic To bring to ruination. To make something unclear or incomprehensible: a new tax code that only further confuses.