What is another word for "stupid"?

Roget's Thesaurus (1911) lists these synonyms for "stupid": all, and, away, believing, bigotry, blanket, blind, book, boring, catch, caught, cheese, childish, cold, commonplace, conclusion, confident, confiding, conte, credo, credulity, credulous, credulousness, cullibility, damp, deadly, dearth, deceive, deception, delusion, depress, ditch, down, dry, dull, dullness, dupe, dust, ear, easily.