Definition of dull

Definition of dull
  1. dull Adjective Lacking the ability to cut easily; not sharp.
  2. dull Adjective Boring; not exciting or interesting.
  3. dull Adjective Not shiny; having a matte finish or no particular luster.
  4. dull Adjective Not bright or intelligent; stupid; slow of understanding.
  5. dull Verb To render dull; to remove or blunt an edge or something that was sharp.
  6. dull Verb To soften, moderate or blunt.
  7. dull Verb To lose a sharp edge; to become dull.
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