headspace
noun
head·space
ˈhed-ˌspās 
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
Chemical and Engineering NewsTo process sauce, immediately ladle hot sauce into hot, clean half-pint canning jars, leaving 1/4-inch headspace.—Better Homes and Gardens
Better Homes and Gardens2
: 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
Kimberly Mok3
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
Brian RafteryExamples of headspace in a Sentence
Recent Examples on the Web
The first draft was a little bit cuckoo, hence my headspace.
—Jason P. Frank, Vulture, 10 Oct. 2025
In-person conversations allow for more back-and-forth and more opportunities for players to explain their own headspace.
—Joshua Kloke, New York Times, 10 Oct. 2025
The Oscar winner didn’t need much to get back into The Dude’s headspace, though, immediately launching into a drawling address to the world at Kimmel’s request.
—Hannah Dailey, Billboard, 8 Oct. 2025
Place it in an airtight container with a little headspace because the liquids will expand when freezing.
—Elizabeth Mervosh, Southern Living, 4 Oct. 2025
See All Example Sentences for headspace
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Jason P. Frank, Vulture, 10 Oct. 2025
In-person conversations allow for more back-and-forth and more opportunities for players to explain their own headspace.
—Joshua Kloke, New York Times, 10 Oct. 2025
The Oscar winner didn’t need much to get back into The Dude’s headspace, though, immediately launching into a drawling address to the world at Kimmel’s request.
—Hannah Dailey, Billboard, 8 Oct. 2025
Place it in an airtight container with a little headspace because the liquids will expand when freezing.
—Elizabeth Mervosh, Southern Living, 4 Oct. 2025
See All Example Sentences for headspace
Cite this Entry
“Headspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headspace. Accessed 23 Oct. 2025.
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