World Series

American  

Or World's Series

noun

Baseball.

1. an annual series of games between the winning teams of the two major leagues: the first team to win four games being champions of the U.S.

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World Series British  

noun

1. baseball (in the US and Canada) a best-of-seven playoff for the world championship between the two winning teams in the major leagues at the end of the season

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World Series Cultural  

1. A series of baseball games held each October between the champions of the two major baseball leagues, the American League and the National League.

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Etymology

Origin of World Series

An Americanism dating back to 1885–90

Example Sentences

The New York Mets last won the World Series in 1986, the Yankees in 2009.

From The Wall Street Journal • Jun. 7, 2026

This is not a World Series or even a Super Bowl.

From Los Angeles Times • Jun. 7, 2026

The 12-time national champions will face North Carolina at the Chapel Hill Super Regional in hopes of reaching their first College World Series since 2001.

From Los Angeles Times • Jun. 4, 2026

Baseball’s current collective bargaining agreement expires about a month after the World Series, at which point owners are all but certain to initiate a lockout that could threaten the 2027 season.

From The Wall Street Journal • Jun. 1, 2026

And Shirley had been moping for weeks over the loss of the World Series.

From "In the Year of the Boar and Jackie Robinson" by Bette Bao Lord