1. relating to a hundredth anniversary

1. a hundredth anniversary or its celebration

Examples

• The town held a centennial parade to celebrate its founding.
• This year marks the centennial of women’s suffrage in America.
• The university’s centennial celebration lasted all week.
• They planted a centennial garden to commemorate the anniversary.
• The centennial of the national park drew thousands of visitors.
• A special centennial coin was minted for the occasion.