Also: A different ball game
Meaning of Idiom ‘A Whole New Ballgame’
A whole new ball game is a completely changed situation or set of circumstances. 1Ammer, Christine. American Heritage Dictionary of Idioms. Boston: Houghton Mifflin Harcourt, 2013.,2Ayto, John. Oxford Dictionary of English Idioms. Oxford: Oxford U, 2010.
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Examples Of Use
“People don’t want discs anymore. Now that streaming is becoming the standard for movies and music, it’s a whole new ballgame.”
“If you think parenting a toddler is difficult, get ready for the teenage years. That’s a whole new ballgame.”

Origin
It is usually assumed that this idiom came from baseball. However, the term ball game only referred exclusively to the game of baseball up until the 1940’s. 3 Chetwynd, Josh. The Field Guide to Sports Metaphors: A Compendium of Competitive Words and Idioms. Berkeley: Ten Speed, 2016.
By 1913, sports reports began using “a different ballgame” to refer to a dramatic turn of events in a baseball game and this phrase became common by the 1930’s. This phrase, and its variation a whole new ballgame do not seem to have passed into figurative use until 1960’s, when a ball game could also have referred to football or even basketball.
More Idioms Starting with W
- We’re Gonna Need a Bigger Boat: Meaning and Origin
- Wishcasting Meaning and Origin
- Waste One’s Breath
- Wash Your Hands of (Someone or Something)
- What’s the Damage?
More Ball Idioms
More Baseball Related Idioms
- There’s No Crying In Baseball: Meaning and Origin
- Play Hardball
- Can of Corn
- Set the Table
- Step Up to the Plate
More Game Idioms
More Sports Related Idioms
- There’s No Crying In Baseball: Meaning and Origin
- Play Hardball
- Can of Corn
- Raise the Bar
- Par For the Course
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