so much so (that)

phrase

: to the extent that

The twins look alike—so much so that even their parents sometimes confuse them.

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so much for

so much so (that)

-somus

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“So much so (that).” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/so%20much%20so%20%28that%29. Accessed 11 Mar. 2026.

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so much so (that)

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