1
: very strange, unnatural, and frightening
an unearthly scream
2
British
: unreasonably early or late
She was up at an/some unearthly hour. [=ungodly hour]
We left at the unearthly time of 5:00 a.m.
Cite this Entry
“Unearthly.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/unearthly. Accessed 22 Jun. 2026.
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