How would you describe something bland or boring?

boiler plate, characterless, clich�d, colorless, conventional, corny*, customary, dime-a-dozen, familiar, familiar tune, garden variety, hackneyed, humdrum, lowly, mainstream, matter-of-course, mediocre, middle-of-the-road, middling, mundane, natural, normal, obvious, ordinary, pedestrian, plebeian, prevalent, prosaic, run-of-the-mill, stale, starch, stereotyped, threadbare, trite, typical, uneventful, unexceptional, uninteresting, unnoteworthy, vanilla, widespread, workaday, worn-out