out of the ordinary vs out of this world

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

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

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

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

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