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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91. It was a dull, grey day.
92. It sounded pretty dull to me.
93. The party was stupefyingly dull.
94. The text was dull and formulaic.
95. It was a dull, cold February.
96. The story creaks along to a dull conclusion.
97. His parents were dull and inarticulate.
98. The gates shut behind him with a dull thud.
99. She found the work very dull.
100. She felt a dull ache at the back of her head.
101. I found the characters very two-dimensional, not to say dull.
102. He's very nice, but I find him rather dull and predictable.
103. Not being a mother, I found the chit-chat exceedingly dull.
104. The increasingly dull nature of many industrial jobs has led to the alienation of many workers.
105. The second half of the game was dull by comparison with the first.
106. The pain, usually a dull ache, gets worse with exercise.
107. The boy is a dolt , but we'll hammer these facts into his dull wits.
108. One sometimes feels that the label "classic" is applied to any book that is dull.
109. She was out of her element in this dull little town.
110. It is the picture itself that is the problem; so small, so dull. It's a nothing, really.
111. He answered all the lawyer's questions in a dull monotone.
112. Years of doing the same dull job can turn you into a machine.
113. His jokes provided some comic relief in what was really a dull speech.
114. Fatigue and stress quickly result in a dull complexion and a furrowed brow.
115. Life in the country can be dull London is where all the action is.
116. For years[Sentencedict], he's plodded away at the same dull routine job.
117. The article is informative enough, but it's a bit dull - we need something to lift it.
118. He's a very worthy man, I suppose, but he's very dull.
119. A residue can build up on the hair shaft, leaving the hair limp and dull looking.
120. Most gardens designed with children in mind are safe but dull.
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.