decennial
Definition
Adjective:
- Occurring every ten years: "decennial" describes events, celebrations, or activities that take place once every decade.
- Lasting for ten years: "decennial" can also refer to something that continues or exists for a period of ten years.
Noun:
- A tenth anniversary: "decennial" is used as a noun to mean the celebration or observance of a ten-year period, such as a decennial anniversary.
Usage Examples
Adjective:
- The census is a decennial event in many countries. (The census happens every ten years.)
- The decennial review of the company's policies is scheduled for next month. (The review occurs once every decade.)
Noun:
- The university celebrated its decennial with a grand ceremony. (The university marked its tenth anniversary.)
Advanced Usage
"decennial census": a specific term for a population count conducted every ten years.
- The United States conducts a decennial census to determine congressional representation. (The census occurs every decade.)
"decennial celebration": an event marking a ten-year milestone.
- The town held a decennial celebration for its founding. (The celebration was for the tenth anniversary.)
Variants and Related Words
Decennium (n): a period of ten years; a decade.
- The project spanned a full decennium. (The project lasted ten years.)
Decennially (adv): every ten years; once per decade.
- The committee meets decennially to review progress. (The committee meets once every ten years.)
Synonyms
- Decadal: relating to a period of ten years.
- Ten-yearly: occurring every ten years (less formal).
Related Idioms
- None directly associated with "decennial"; however, the concept of a decade is often used in idioms like "turn of the decade", meaning the time around the end of one ten-year period and the start of another.