- centenary⇄adj. of or having to do with a period of 100 years or a 100th anniversary.
Ex. a centenary celebration. - centenary⇄centenary, noun, pl.-naries,adjective.
- centenary⇄noun 1. a 100th anniversary.
Ex. 1876 was the first centenary of the signing of the Declaration of Independence.
2. a celebration of the 100th anniversary.
Ex. The town was bustling with plans for its centenary.
3. a period of 1