too big for one's boots

phrase

British, informal
: too confident or proud of oneself

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too bad
too big for one's boots
too big for one's britches
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Cite this Entry

“Too big for one's boots.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/too%20big%20for%20one%27s%20boots. Accessed 16 Mar. 2026.

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