macabre vs ghastly

macabre and ghastly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
macabre	No	Yes	No	No
ghastly	No	Yes	No	No

As adjectives, macabre and ghastly are synonyms defined as:

Other synonyms of macabre include grim, grisly, gruesome, sick.

macabre (adjective)	ghastly (adjective)
shockingly repellent; inspiring horror	shockingly repellent; inspiring horror
	gruesomely indicative of death or the dead