Definitions
1.adjectiveLacking the ability to cut easily; not sharp."All these knives are dull."
2.adjectiveBoring; not exciting or interesting."He sat through the dull lecture and barely stayed awake."
3.adjectiveNot shiny; having a matte finish or no particular luster or brightness."Choose a dull finish to hide fingerprints."
4.adjectiveNot bright or intelligent; stupid; having slow understanding.
5.adjectiveSluggish, listless.
6.adjectiveCloudy, overcast."It's a dull day."
7.adjectiveInsensible; unfeeling.
8.adjectiveHeavy; lifeless; inert.
9.adjective(of pain etc) Not intense; felt indistinctly or only slightly."Pressing on the bruise produces a dull pain."
10.adjective(of a noise or sound) Not clear, muffled.
11.nounOne who, or that which, dulls.