threadbare vs shopworn

threadbare and shopworn both are adjectives.

Word	Noun	Adjective	Verb	Adverb
threadbare	No	Yes	No	No
shopworn	No	Yes	No	No

As adjectives, threadbare and shopworn are synonyms defined as:

threadbare and shopworn: repeated too often; overfamiliar through overuse

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

threadbare (adjective)	shopworn (adjective)
repeated too often; overfamiliar through overuse	repeated too often; overfamiliar through overuse
having the nap worn away so that the threads show through	worn or faded from being on display in a store