know no bounds/boundaries

idiom

1
: to be capable of affecting people everywhere
This is a disease that knows no boundaries.
2
: to have no limits
My admiration for him knows no bounds/boundaries.

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Cite this Entry

“Know no bounds/boundaries.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20no%20bounds%2Fboundaries. Accessed 6 Sep. 2025.

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