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.
Maras wanted the film to begin with this moment to emphasize the headspace of the Allied leaders. Emily Zemler, Los Angeles Times, 29 May 2026 How Mama Brown’s Betrayal Affected Alamo While speaking to TV Insider, Akinnuoye-Agbaje gave some insight into his character’s headspace that’s informed by what happened with Mama Brown. Sabrina Reed, Forbes.com, 18 May 2026 Pack the rhubarb tightly into a freezer-safe container without adding sugar, leaving ½ inch headspace. Olivia McIntosh, Martha Stewart, 14 May 2026 The moon’s clash with Venus puts you in a moody headspace that lasts until nightfall. Usa Today, USA Today, 12 May 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

Browse Nearby Words

Cite this Entry

“Headspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headspace. Accessed 3 Jun. 2026.

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