Definition of "dull" []

  • Intellectually weak or obtuse; stupid. (adjective)
  • Lacking responsiveness or alertness; insensitive. (adjective)
  • Dispirited; depressed. (adjective)
  • Not brisk or rapid; sluggish: Business is dull. (adjective)
  • Not having a sharp edge or point; blunt: a dull knife. (adjective)
  • Slow to think or understand; stupid (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Lacking in interest (adjective)
  • Lacking in perception or the ability to respond; insensitive (adjective)
  • Lacking sharpness; blunt (adjective)
  • Not acute, intense, or piercing (adjective)
  • (of weather) not bright or clear; cloudy (adjective)
  • Not active, busy, or brisk (adjective)
  • Lacking in spirit or animation; listless (adjective)
  • (of colour) lacking brilliance or brightness; sombre (adjective)
  • Not loud or clear; muffled (adjective)
  • (of sound elicited by percussion, esp of the chest) not resonant (adjective)
  • To make or become dull (verb) (c) HarperCollins Publishers Ltd 2016

Use "dull" in a sentence
  • "It has been called "the dull product of a scoffer's pen"; it is indeed the "product of a scoffer's pen"; but after reading the Excursion, few people will think it _dull_."
  • ""It is so what you call dull, Sir John," she protested in her coquettish way."
  • ""I don't know what you call dull," replied the old man, as if half offended at the suggestion."