: the space between the top of your head and a ceiling or roof when you are standing or sitting
There isn't much headroom in the basement. [=the ceiling is low in the basement]
He's looking for a car with a lot of headroom.
Cite this Entry
“Headroom.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/headroom. Accessed 20 Jun. 2026.
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