unearthly vs weird

unearthly and weird both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unearthly	No	Yes	No	No
weird	No	Yes	No	No

As adjectives, unearthly and weird are synonyms defined as:

unearthly and weird: suggesting the operation of supernatural influences

Other synonyms of unearthly include eldritch, uncanny.

unearthly (adjective)	weird (adjective)
suggesting the operation of supernatural influences	strikingly odd or unusual
concerned with or affecting the spirit or soul	suggesting the operation of supernatural influences