Adj.1.shopworn - worn or faded from being on display in a store; "shopworn merchandise at half price" shopsoiled
worn - affected by wear; damaged by long use; "worn threads on the screw"; "a worn suit"; "the worn pockets on the jacket"
2.shopworn - repeated too often; overfamiliar through overuse; "bromidic sermons"; "his remarks were trite and commonplace"; "hackneyed phrases"; "a stock answer"; "repeating threadbare jokes"; "parroting some timeworn axiom"; "the trite metaphor `hard as nails'" hackneyed, old-hat, stock, threadbare, timeworn, banal, trite, well-worn, tired, commonplace
unoriginal - not original; not being or productive of something fresh and unusual; "the manuscript contained unoriginal emendations"; "his life had been unoriginal, conforming completely to the given pattern"- Gwethalyn Graham