What is another word for "pointless"?

Roget's Thesaurus (1911) lists these synonyms for "pointless": and, blanket, book, boring, caught, cold, commonplace, conte, damp, deadly, dearth, depress, ditch, dry, dull, dullness, dust, ear, fact, fall, flat, flatness, heaviness, heavy, humdrum, importance, infestivity, insipid, insulse, joke, lay, logy, matter, melancholic, monotonous, napping, non, originality, pedestrian, platitude.