threadbare

Having the nap worn down so that the filling or warp threads show through; frayed or shabby.

Wearing old, shabby clothing.

Overused to the point of being worn out; hackneyed.

Having the thread bare; worn so that the nap is lost and the thread is visible, either wholly or in certain parts: said of a piece of textile fabric, as in a garment, or of the garment itself.

Wearing threadbare clothes; shabby; seedy.