over-the-top vs extraordinary

over-the-top and extraordinary both are adjectives.

Word	Noun	Adjective	Verb	Adverb
over-the-top	No	Yes	No	No
extraordinary	No	Yes	No	No

As adjectives, over-the-top and extraordinary are synonyms defined as:

Other synonyms of over-the-top include sinful.

over-the-top (adjective)	extraordinary (adjective)
far more than usual or expected	beyond what is ordinary or usual; highly unusual or exceptional or remarkable; special
	far more than usual or expected
	(of an official) serving an unusual or special function in addition to those of the regular officials