Definition

A celebration or event marking the 150th anniversary of something.

Example

The town held a grand festival for its sesquicentenary, celebrating 150 years since its founding.

Conversation

Did you hear about the town's sesquicentenary celebration next month?

Yeah, I read about it! It sounds like a big event.

I think it will be fun to see all the activities they have planned.

Definitely! I can't wait to join in on the festivities.

Synonyms & Antonyms

Root Explanation

Sesquicentenary → It is formed from "sesqui-" (meaning one and a half) and "centenary" (from Latin "centenarius", meaning a hundred). The word refers to a celebration or event marking one hundred and fifty years.

Memory Tip

Think of 'one and a half' ('sesqui-') of a century ('centenary') to remember that 'sesquicentenary' means a period of one hundred and fifty years.

Visually Confused Words