semi-centennial
Definition
Adjective:
- Occurring every fifty years: "semi-centennial" describes something that happens or is celebrated once every fifty years.
- Lasting fifty years: It can also refer to something that extends over a period of fifty years.
Noun:
- A fiftieth anniversary: "semi-centennial" denotes the celebration or observance of a fiftieth anniversary, often of an event, institution, or person's life.
- The fiftieth year: It can also mean the fiftieth year of a person's life or the fiftieth year of an era.
Usage Examples
Adjective:
- The city held a semi-centennial parade to mark its founding. (A parade celebrating the 50th anniversary.)
- The semi-centennial celebration lasted for three days. (The celebration of the 50th anniversary.)
Noun:
- The university's semi-centennial was a grand event. (The 50th anniversary celebration.)
- He reached his semi-centennial with a large family gathering. (His 50th birthday.)
Advanced Usage
"semi-centennial year": the specific year that marks fifty years since an event.
- The library's semi-centennial year was 2020. (The year of the 50th anniversary.)
"semi-centennial observance": formal recognition of a 50th anniversary.
- The museum planned a semi-centennial observance with special exhibits. (A formal celebration of the 50th anniversary.)
Variants and Related Words
Semi-centenary (n): an alternative term for a 50th anniversary.
- The semi-centenary of the company was celebrated with a banquet. (The 50th anniversary.)
Centennial (n): a 100th anniversary.
- The centennial was larger than the semi-centennial. (The 100th anniversary.)
Synonyms
- Fiftieth anniversary: the exact term for a 50-year milestone.
- Jubilee: a special anniversary, often used for 50 years (e.g., golden jubilee).
Related Idioms
- Golden anniversary: a common idiom for a 50th wedding anniversary, synonymous with semi-centennial in that context.
- They celebrated their golden anniversary with a cruise. (Their 50th wedding anniversary.)