headspace

noun

head·​space ˈhed-ˌspās How to pronounce headspace (audio)
1
: the volume above a liquid or solid in a closed container
The demonstrator suggests that the slow leakage of hydrogen from the balloons … allowed for the accumulation of hydrogen and oxygen in the bag's headspace.Chemical and Engineering News
To process sauce, immediately ladle hot sauce into hot, clean half-pint canning jars, leaving 1/4-inch headspace.Better Homes and Gardens
2
: vertical space in which to stand, sit, or move : headroom
The sleeping area [of a tiny house] looks restful and thanks to the curved roof, probably has more headspace than most …Kimberly Mok
3
informal : mind-set, frame of mind
"It's difficult to tell how people have changed," says Radiohead guitarist Ed O'Brien. "But Thom's been in a better headspace for quite a few years."Brian Raftery

Examples of headspace in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Most years, the team’s drive to the arena before an NCAA Tournament game is quiet, even tense, as players get themselves into the right headspace to compete on one of the highest-pressure stages in all of sports. Emily Adams, Hartford Courant, 29 Mar. 2026 Engaging the senses centers mindfulness even in the most hectic work environments, lowering stress and opening up the headspace for thinking. Emma Burleigh, Fortune, 29 Mar. 2026 Our clients are those who are looking to take charge of their health, those who want to lose weight or detox, get fit or get some headspace. Condé Nast, Condé Nast Traveler, 17 Mar. 2026 Be sure to leave about 1 inch of headspace at the top of the container to allow for that expansion. Riley Wofford, Martha Stewart, 16 Mar. 2026 See All Example Sentences for headspace

Word History

First Known Use

1895, in the meaning defined at sense 1

Time Traveler
The first known use of headspace was in 1895

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Cite this Entry

“Headspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headspace. Accessed 6 Apr. 2026.

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