superannuated vs out-of-date

superannuated and out-of-date both are adjectives.

Word	Noun	Adjective	Verb	Adverb
superannuated	No	Yes	No	No
out-of-date	No	Yes	No	No

As adjectives, superannuated and out-of-date are synonyms defined as:

Other synonyms of superannuated include obsolete, outdated.

superannuated (adjective)	out-of-date (adjective)
old; no longer valid or fashionable	old; no longer valid or fashionable
too old to be useful