Definition of "flunk out" in Englisch

Verb

1. To fail to finish school, or a given subject, program or course, due to academic shortcomings; i.e., to have too many flunking or failing grades (marks).

   • He flunked out of high school as a youth, but finished school later in life.

2. (of an educator or institution) To impose failing grades on (a student), often requiring a retaking of the course or academic year.