dull

[ duhl ]
See synonyms for: dulldulleddullerdulling on Thesaurus.com

adjective,dull·er, dull·est.
  1. not sharp; blunt: a dull knife.

  2. causing boredom; tedious; uninteresting: a dull sermon.

  1. not lively or spirited; listless.

  2. not bright, intense, or clear; dim: a dull day; a dull sound.

  3. having very little depth of color; lacking in richness or intensity of color.

  4. slow in motion or action; not brisk; sluggish: a dull day in the stock market.

  5. mentally slow; lacking brightness of mind; somewhat stupid; obtuse.

  6. lacking keenness of perception in the senses or feelings; insensible; unfeeling.

  7. not intense or acute: a dull pain.

verb (used with or without object)
  1. to make or become dull.

Origin of dull

1
First recorded in 1200–50; Middle English; akin to Old English dol “foolish, stupid”; cognate with German toll

synonym study For dull

1. Dull, blunt refer to the edge or point of an instrument, tool, or the like. Dull implies a lack or a loss of keenness or sharpness: a dull razor or saw. Blunt may mean the same or may refer to an edge or point not intended to be keen or sharp: a blunt or stub pen; a blunt foil. 7. Dull, blunt, slow, stupid are applied to mental qualities. Dull implies obtuseness, lack of imagination: a dull child. Blunt implies loss of original keenness of intelligence through disease, sad experience, or the like: His critical faculties were blunt. Slow applies to a sluggish intellect: a slow mind. Stupid implies slowness of mental processes, but also lack of intelligence, wisdom, prudence, etc.: a stupid person.

Other words for dull

Opposites for dull

Other words from dull

  • dullness, dulness, noun
  • dully, adverb
  • un·dulled, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use dull in a sentence

  • The frequent viewing, though, introduces a problem that rubbernecking never had—the dulling and inuring effects of repetition.

  • I should merely be dulling your appetite, without satisfying your hunger.

    Daisy Ashford: Her Book | Daisy Ashford
  • At the instant came a vast grumbling, like underground 136 thunder, not loud apparently, yet dulling all other sounds.

    The Backwoodsmen | Charles G. D. Roberts
  • I suppose it is almost impossible for us to appreciate the effect of sin in clouding vision and dulling sympathy.

    Our Lady Saint Mary | J. G. H. Barry
  • The chime of the silver bells floated on the still air, dulling the sound of the seven strong brothers' footsteps.

    Stories from the Ballads | Mary MacGregor
  • Then there is another cause for the dulling of a wife's bright charm—her inferior position in the eyes of the law.

    Married Love | Marie Carmichael Stopes

British Dictionary definitions for dull

dull

/ (dʌl) /


adjective
  1. slow to think or understand; stupid

  2. lacking in interest

  1. lacking in perception or the ability to respond; insensitive

  2. lacking sharpness; blunt

  3. not acute, intense, or piercing

  4. (of weather) not bright or clear; cloudy

  5. not active, busy, or brisk

  6. lacking in spirit or animation; listless

  7. (of colour) lacking brilliance or brightness; sombre

  8. not loud or clear; muffled

  9. med (of sound elicited by percussion, esp of the chest) not resonant

verb
  1. to make or become dull

Origin of dull

1
Old English dol; related to Old Norse dul conceit, Old High German tol foolish, Greek tholeros confused

Derived forms of dull

  • dullish, adjective
  • dullness or dulness, noun
  • dully, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with dull

dull

In addition to the idiom beginning with dull

  • dull as dishwater

also see:

  • never a dull moment

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.