The Oxford Thesaurus An A-Z Dictionary of Synonyms - dulladj.

1) stupid, slow-witted, dense, stolid, bovine, cloddish, clod-like, backward, obtuse, doltish, crass, dumb, Colloq thick, dim, dim-witted, Brit dim as a Toc H lamp: He might be a dull student but he's a brilliant artist. 2) insensitive, numb, insensible, imperceptive or impercipient, unresponsive, indifferent, unfeeling, unsympathetic, callous, hardened, hard, inured, obtundent: He knew that he could expect only a dull response to his pleading. 3) lifeless, indifferent, unresponsive, sluggish, slow, listless, inactive, torpid: The market for luxury cars is a little dull now. 4) boring, tiresome, tedious, monotonous, uninspired, uninspiring, unoriginal, uninteresting, humdrum: All work and no play make Jack a dull boy. 5) dismal, dreary, depressing, sombre, grey, dark, murky, gloomy, cloudy, clouded, overcast, sunless: If the day is dull, the photographs will show it. 6) blunted, blunt; obtuse: I nicked myself with that dull razor. 7) hazy, blurry, opaque, drab: Rub the dull film off that silver goblet. 8) muffled, numbing, deadened, muted, indistinct: I've had a dull pain in my arm all day. --v. 9) allay, assuage, relieve, mitigate, lessen, reduce: Weeping dulls the inner pain. 1) 0 dim, tarnish, obscure, bedim, blur, cloud, becloud: A mist dulled the rich colours of the glen. 1) 1 stupefy, narcotize, numb, benumb, desensitize, deaden, blunt, obtund: His war experiences had dulled his feelings towards others.