old-hat vs tired

old-hat and tired both are adjectives.

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

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

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

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