- an organization claiming to be an institution of higher learning but existing for profit only and granting degrees without demanding proper qualifications of the recipients.
- a college or university having such a large number of students that none receives individual attention from the teachers.
Origin of diploma mill
First recorded in 1925–30
Also called degree mill.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018