What is another word for "vapid"?

Roget's Thesaurus (1911) lists these synonyms for "vapid": and, bald, bland, blandness, blanket, book, boring, careless, caught, childish, cold, colorless, commonplace, conte, damp, deadly, dearth, depress, diffuse, ditch, dry, dull, dullness, dust, ear, fact, fade, fall, feeble, feebleness, flat, flatness, flatulent, frigid, gustless, heaviness, heavy, humdrum, importance, inexact.