Unearthly – unnatural or mysterious; seeming not to belong to this world

To remember the definition of the word unearthly, use the following mnemonic:

I unearthed an old leaflet (unearthly) that was mysterious and didn't seem of this world.

Examples of unearthly in a sentence

After being exposed to the radiation, he had an unearthly glow about him.

The unearthly beings prepared to make contact with humans for the first time.

Foxes' cries have an awful, unearthly quality.