The phrase "catches red-handed" implies catching someone in the act of doing something wrong or inappropriate. Antonyms for this phrase may include "clears of wrongdoing," "exonerates," or "proves innocent." These words denote an opposite meaning to catching someone in the act of a misdeed, indicating that the person in question is not guilty of any wrongdoing. Other antonyms may include "misses the mark," "fails to catch," or "ignores," suggesting a lack of attention or failure to notice someone doing something wrong. These antonyms demonstrate the breadth of different meanings that can be conveyed based on the language we use.