the game is up
idiom
—used to say that a dishonest plan or activity has been discovered and will no longer be allowed to continue
Okay, the game is up. We know you forged the letters.
Cite this Entry
“The game is up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20game%20is%20up. Accessed 24 Jul. 2025.
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