Adjective threadbare has 2 senses
- banal, commonplace, hackneyed, old-hat, shopworn, stock, 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'"
Antonym: original (indirect, via unoriginal)
- threadbare - having the nap worn away so that the threads show through; "threadbare rugs"
Antonym: unworn (indirect, via worn)