dull
/dəl//dʌl/verb
Definitions
To render dull; to remove or blunt an edge or something that was sharp.
Example: Years of misuse have dulled the tools.
To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy.
Example: He drinks to dull the pain.
To lose a sharp edge; to become dull.
Example: A razor will dull with use.
To render dim or obscure; to sully; to tarnish.
adjective
Definitions
Lacking the ability to cut easily; not sharp.
Example: All these knives are dull.
Boring; not exciting or interesting.
Example: He sat through the dull lecture and barely stayed awake.
Not shiny; having a matte finish or no particular luster or brightness.
Example: Choose a dull finish to hide fingerprints.
Not bright or intelligent; stupid; having slow understanding.