Definitions
1.verbTo render dull; to remove or blunt an edge or something that was sharp."Years of misuse have dulled the tools."
2.verbTo soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy."He drinks to dull the pain."
3.verbTo lose a sharp edge; to become dull."A razor will dull with use."
4.verbTo render dim or obscure; to sully; to tarnish.
5.adjectiveLacking the ability to cut easily; not sharp."All these knives are dull."
6.adjectiveBoring; not exciting or interesting."He sat through the dull lecture and barely stayed awake."
7.adjectiveNot shiny; having a matte finish or no particular luster or brightness."Choose a dull finish to hide fingerprints."
8.adjectiveNot bright or intelligent; stupid; having slow understanding.
9.adjectiveSluggish, listless.
10.adjectiveCloudy, overcast."It's a dull day."
11.adjectiveInsensible; unfeeling.
12.adjectiveHeavy; lifeless; inert.
13.adjective(of pain etc) Not intense; felt indistinctly or only slightly."Pressing on the bruise produces a dull pain."
14.adjective(of a noise or sound) Not clear, muffled.