1. an official document awarded by an educational institution certifying that someone has successfully completed a course of study

Examples

• She received her high school diploma at graduation.
• The college diploma was framed and hung on the wall.
• You need a diploma to apply for most jobs.
• He earned his diploma after four years of study.
• The diploma ceremony was held in the auditorium.
• Without a diploma, it’s harder to find good employment.