before one knows it

idiom

: very quickly or soon
We'll be there before you know it.
The game was over before I knew it.

Dictionary Entries Near before one knows it

Cite this Entry

“Before one knows it.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/before%20one%20knows%20it. Accessed 21 Dec. 2024.

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