centennial

[sen-ten-ee-uhl]

adjective

1. pertaining to, or marking the completion of, a period of 100 years.

2. pertaining to a 100th anniversary.

3. lasting 100 years.

4. 100 years old.

noun

1. a 100th anniversary or its celebration; centenary.

centennial

/ sɛnˈtɛnɪəl /

adjective

1. relating to, lasting for, or completing a period of 100 years

2. occurring every 100 years

noun

1. another name for centenary

Other Word Forms

• centennially adverb
• precentennial adjective

Word History and Origins

Origin of centennial¹

1790–1800; < Latin cent- 100 ( cent ) + English -ennial pertaining to a period of years (extracted from biennial )

Word History and Origins

Origin of centennial¹

C18: from Latin centum hundred, on the model of _biennial

Example Sentences

The Griffith Park carousel — a “crown jewel” of the park, where Walt Disney first dreamed up Disneyland — is getting a new lease on life just in time for its 2026 centennial.

From Los Angeles Times

During the centennial celebration, John Reynolds quoted his mom, who never stopped feeling lucky to work at the Yosemite post office.

From Los Angeles Times

And so, in honor of the motel centennial, I took a road trip.

From Los Angeles Times

And plans for centennial celebrations were just getting underway.

From Los Angeles Times

Last year, the Commission and the state Senate passed resolutions recognizing the centennial anniversary of the extirpation of the California grizzly, with the Senate declaring 2024 the “Year of the Grizzly.”

From Los Angeles Times

Related Words

• annual 
• intermittent 
• monthly 
• occasional 
• recurrent 
• recurring 
• regular 
• repeated 
• routine 
• seasonal 
• sporadic 
• weekly 
• yearly