sit bolt upright

phrase

: to sit up straight
She sat bolt upright in bed when I entered the room.

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sit back
sit bolt upright
sit by
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Cite this Entry

“Sit bolt upright.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sit%20bolt%20upright. Accessed 13 Mar. 2026.

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