out of this world vs out of the ordinary

out of this world and out of the ordinary both are adjectives.

Word	Noun	Adjective	Verb	Adverb
out of this world	No	Yes	No	No
out of the ordinary	No	Yes	No	No

As adjectives, out of this world and out of the ordinary are synonyms defined as:

out of this world and out of the ordinary: exceptionally or unusually good

out of this world (adjective)	out of the ordinary (adjective)
exceptionally or unusually good	exceptionally or unusually good
	exceptional, unusual, or remarkable