Synonym: blunt, boring, dingy, dreary, dry, flat, gray, inactive, slow, sluggish, stupid, uninteresting, bright, keen, sharp, vivid. Similar words: adult, schedule, indulge, adultery, modulate, undulant, credulous, pendulum. Meaning: [dʌl] 
v. 1. make dull in appearance 2. become dull or lusterless in appearance; lose shine or brightness 3. deaden (a sound or noise), especially by wrapping 4. make numb or insensitive 5. make dull or blunt 6. become less interesting or attractive 7. make less lively or vigorous. adj. 1. lacking in liveliness or animation 2. emitting or reflecting very little light 3. being or made softer or less loud or clear 4. so lacking in interest as to cause mental weariness 5. (of color) very low in saturation; highly diluted 6. not keenly felt 7. slow to learn or understand; lacking intellectual acuity 8. (of business) not active or brisk 9. not having a sharp edge or point 10. blunted in responsiveness or sensibility 11. not clear and resonant; sounding as if striking with or against something relatively soft 12. darkened with overcast.
v. 1. make dull in appearance 2. become dull or lusterless in appearance; lose shine or brightness 3. deaden (a sound or noise), especially by wrapping 4. make numb or insensitive 5. make dull or blunt 6. become less interesting or attractive 7. make less lively or vigorous. adj. 1. lacking in liveliness or animation 2. emitting or reflecting very little light 3. being or made softer or less loud or clear 4. so lacking in interest as to cause mental weariness 5. (of color) very low in saturation; highly diluted 6. not keenly felt 7. slow to learn or understand; lacking intellectual acuity 8. (of business) not active or brisk 9. not having a sharp edge or point 10. blunted in responsiveness or sensibility 11. not clear and resonant; sounding as if striking with or against something relatively soft 12. darkened with overcast. 
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211. After all, the only thing more boring than being dull is being dull and right.
212. For example, the days of dull, impenetrable forms that seemed designed to obscure rather than to convey information are passing.
213. It is just like man's vanity and impertinence to call an animal dumb because it is dumb to his dull perceptions. Mark Twain 
214. His existence had been particularly dull, holding down brief part-time work selling clothes in Manchester's underground fashion world.
215. Regrettably, neither these nor any other conflicts emerge with any conviction from 7:84's dull and disappointing production.
216. They felt nothing but a dull ache in their backs.
217. Don't live a dull boring life. Spice it up. You don't have too much of it left. RVM
218. I could see the Emporium, the two churches, the dull gold dome of the courthouse.
219. I had the feeling I was disappointing him, and it filled me with a dull continuous inner chest pain.
220. It looks like a two-minute painting: four dull green brushstrokes run close to the painting's edge, reiterating the rectangle.
221. Reports are commonly prosaic, dull, pompous and patronising and written with selfish disregard for the reader.
222. She watched the bright spark of the spear approaching, and felt nothing but a dull kind of relief.
223. It's extraordinary how we go through life with eyes half shut, with dull ears, with dormant thoughts. Perhaps it’s just as well; and it may be that it is this very dullness that makes life to the incalculable majority so supportable and so welcome. Joseph Conrad
224. She lay, apathetic, dull as the lustreless droop of her hair on the pillows.
225. Too many evergreens can look boring, so plant just a few choice ones to add colour to dull areas.
226. If you want a beastly dull wedding party[Sentencedict.com], don't bring Lulu.
227. Her long blonde hair, freshly washed, seemed to glow in the dull light from the chandeliers.
228. Men do not escape from life because life is dull, but life escapes from men because men are little. Thomas Wolfe
229. Business is deplorably dull.
230. Your face will be more likely to have a dull complexion, with podgy, sagging cheeks and double chin.
231. He's a deadly dull little man as far as I can see.
232. He did not find her amusing, and she found him quite disastrously dull.
233. He watched Richard in the mirror, newly combed hair oddly neat against unshaven chin and eyes dull with tiredness.
234. Polly described herself as a feminist, a socialist and an anarchist,[http://sentencedict.com/dull.html] which of course made her an extremely dull conversationalist.
235. Except for the burial at sea of a woman travelling to meet her husband, it was a dull voyage.
236. Suppose, for example, you regularly attend a weekly meeting which tends to be deadly dull.
237. There was certainly never a dull moment in our section of the Waafery.
238. It has been substantially altered in later periods and has a largely classical, dull exterior.
239. It seemed that here, there was never any spring, only wind and rain and the dull ache of loss.
240. The rising sun slowly turns the drab greys and dull browns of the mountains to patches of pale gold and dusty pinks.
More similar words: adult, schedule, indulge, adultery, modulate, undulant, credulous, pendulum, undulate, on schedule, incredulity, incredulous, indulgent, modulated, adulation, indulgence, fraudulent, adulterate, incredulously, fraudulence, bull, full, mull, pull, Bull., behind schedule, fully, bully, skull, bullet.