tired vs old-hat

tired and old-hat both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tired	No	Yes	No	No
old-hat	No	Yes	No	No

As adjectives, tired and old-hat are synonyms defined as:

Other synonyms of tired include banal, commonplace, hackneyed, shopworn, stock, threadbare, timeworn, trite, well-worn.

tired (adjective)	old-hat (adjective)
depleted of strength or energy	out of fashion
repeated too often; overfamiliar through overuse	repeated too often; overfamiliar through overuse