[{"Bold_text": "verb (used without object)", "List Items": ["to fail in a course or examination."]}, {"Bold_text": "verb (used with object)", "List Items": ["to fail to get a passing mark in:to flunk math.", "to give a failing grade to; remove (a student) as unqualified from a school or course."]}, {"Bold_text": "noun", "List Items": ["a failure, as in a course or examination."]}, {"Bold_text": "verb phrase", "List Items": ["to fail and be unable to continue in:He flunked out of flight school."]}]