banal, commonplace, hackneyed, shopworn, stock(a), threadbare, timeworn, tired, trite, well-worn

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'"