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May Day

American  

noun

  1. the first day of May, long celebrated with various festivities, as the crowning of the May queen, dancing around the Maypole, and, in recent years, often marked by labor parades and political demonstrations.


May Day British  

noun

    1. the first day of May, traditionally a celebration of the coming of spring: in some countries now observed as a holiday in honour of workers

    2. ( as modifier )

      May-Day celebrations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of May Day

First recorded in 1225–75; Middle English

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It meant the Met had to stage one of its most significant public order policing operations since the May Day riots of the early 2000s.

From BBC May 16, 2026

U.S. recognition of International Workers’ Day, also called May Day, originated as labor rights movements fought for economic fairness by pushing for better pay and working conditions.

From Los Angeles Times May 1, 2026

In Asia, China’s PMI readings will be closely watched for signs of momentum ahead of the May Day holiday.

From The Wall Street Journal Apr. 24, 2026

University presidents such as Kingman Brewster Jr. and A. Bartlett Giamatti, for example, spoke out about the Vietnam War, the Black Panthers and May Day protests.

From Salon Nov. 8, 2025

Although by the end of May Day I look like someone dumped a huge basket of trash on top of me.

From "Wishtree" by Katherine Applegate

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