decennial
/dɪˈsɛniəl/
adjective
- Occurring once every ten years.
- The club holds a decennial reunion for all former members.
- The decennial review of the treaty is scheduled for next year.
- The United States conducts a decennial census to count the population.
- Relating to a period of ten years or a tenth anniversary.
- The decennial report showed significant progress in education.
- They published a decennial edition of the history book.
- The city prepared a grand decennial celebration for its founding.
noun
- A tenth anniversary or a celebration of ten years.
- The decennial of the peace treaty was observed with a ceremony.
- The company's decennial was marked by a special dinner.
- They invited all employees to the decennial of the firm.