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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151. It was rare for her to have an opportunity to discuss her dull, uneventful life.
152. The argument added a touch of drama to an otherwise dull day.
153. We could just see a dull glow given off by the fire's last embers.
154. I found it dull to split hairs over the privacy of a person who counted on one's card.
155. Never a dull moment, sitting around Fif's.
156. Dull people filled him with terror. Thomas Wolfe 
157. Drama is life with the dull bits cut out. Alfred Hitchcock
158. It was simply a dull dot on a map.
159. No definite shape, rather dull colour.
160. These dull metals absorb the heat evenly and well.
161. There were dull thuds from the cargo hold.
162. Lisa felt a dull ache spreading up her arm.
163. I did not let the silver bowl get dull.
164. Never a dull moment in this establishment.
165. It ached an ugly, dull ache.
166. There was seldom a dull moment in our house.
167. The enamel has peeled off the taps like so much banana skin, revealing dull, patchy brass.
168. The big drawbacks are the blurred speech, tinkly background music and dull presentation.
169. Hencke heard one canister bounce off the outer hull with a dull echo like the Devil knocking at the door.
170. Rose was wearing a dull black cardigan over a black dress.
171. A dull grey winter Saturday morning was kept out by tall windows hung with faded velvet drapes.
172. The knife-blade was dull; it cut only because it was chipped in enough places for it to be saw-toothed, jagged.
173. The man is dull silver like burnished dirt on the heel of a hand.
174. With or without heart trouble[sentencedict.com], Shelby wasn't a man to settle for a dull life.
175. Good plan-except the result is a pretty dull confection for anyone but ardent Depp and praline fans.
176. Using a dull knife, whisk or potato masher, cut in butter and grated rinds until mixture resembles coarse crumbs.
177. As they approach London they let down through the shining white floor of cloud into a dull grey light.
178. They can perform simple administrative tasks which were previously both dull and expensive.
179. But how many dull moments may I have given my listeners?
180. Sleep away the tiredness and the dull ache inside his head, that was the thing to do.
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.