Definitions

1. noun

A celebration or commemoration of the one hundredth anniversary of a person’s birth or an event.

“The city will hold a grand centenary celebration to commemorate its founding.”

2. noun

A period of one hundred years.

“The discovery was a groundbreaking one that marked the beginning of a new centenary in the field of medicine.”

3. adjective

Lasting or extending over a period of one hundred years.

“The ancient civilization was known for its enduring centenary legacy.”