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.
In the book, Butti recalled Heard's headspace while awaiting the U.K. verdict back in Los Angeles and preparing for the next legal saga ahead. Benjamin Vanhoose, People.com, 17 June 2025 But with time, the actor has learned to communicate decades of regret and the darkest emotional headspace with barely a flicker of his face. David Sims, The Atlantic, 6 June 2025 But to have both happening simultaneously, literally… there are some actors who might consider that a bit of a nightmare, too, to have to be in two headspaces at once. Chris Willman, Variety, 4 June 2025 Tell me about getting into the headspace of your character. Andy Greene, Rolling Stone, 15 May 2025 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 27 Jun. 2025.

Last Updated: - Updated example sentences
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