Pronunciation: /ses.kwɪ.sɛnˈtɛn.i.əl/
noun a one-hundred-and-fiftieth anniversary
A1 The sesquicentennial celebration of the town's founding will include a parade.
A2 The sesquicentennial anniversary of the school will be marked with special events.
B1 The sesquicentennial of the country's independence is a time for reflection on its history.
B2 The sesquicentennial of the museum will be commemorated with an exhibit showcasing its evolution over the years.
C1 The sesquicentennial of the university will be celebrated with academic conferences and cultural performances.
C2 The sesquicentennial of the city's incorporation will be a year-long celebration with various events and activities.
adjective relating to a one-hundred-and-fiftieth anniversary
A1 The sesquicentennial celebration included a parade and fireworks.
A2 The town's sesquicentennial anniversary was marked with a special exhibition.
B1 The sesquicentennial event attracted visitors from all over the country.
B2 The sesquicentennial festivities lasted for a whole week.
C1 The sesquicentennial of the town's founding was a major milestone.
C2 The sesquicentennial celebration was a grand affair, with concerts, parades, and historical reenactments.
formal The city celebrated its sesquicentennial with a grand parade and fireworks display.
informal We're throwing a big party for the town's sesquicentennial next month.
slang The sesquicentennial bash is gonna be lit!
figurative Reaching the sesquicentennial milestone feels like a significant achievement for the community.
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