un ‧ earth ‧ ly /ʌnˈɜːθli $ -ˈɜːr-/ BrE AmE adjective
[ Word Family: noun : ↑ earth , ↑ earthling , ↑ earthiness ; adjective : ↑ earthy , ↑ earthly ≠ ↑ unearthly , ↑ earthen ; verb : ↑ unearth ; adverb : earthward(s)]
1 . very strange and unnatural, and probably frightening:
His eyes shone with an unearthly light.
2 . unearthly hour/time etc informal very early or very late and therefore extremely inconvenient:
He suggested a meeting at some unearthly hour of the morning.