Definitions

1. noun

an official document, especially one issued by a university or college, that certifies that a student has completed a course of study.

“She proudly held up her diploma after graduating from college.”

2. noun

a qualification or title bestowed on someone in recognition of their achievements or service.

“He received a diploma for his outstanding contributions to the field of science.”

3. noun

a formal document or agreement.

“The treaty was signed with a diploma of mutual respect.”