dull

[ duhl ]
/ dʌl /
||

adjective, dull·er, dull·est.

verb (used with or without object)

to make or become dull.

Nearby words

  1. dulcimer,
  2. dulcinea,
  3. dulcitol,
  4. dulcy,
  5. dulia,
  6. dull as dishwater,
  7. dull knife,
  8. dull-witted,
  9. dullard,
  10. dulles

Origin of dull

1200–50; Middle English; akin to Old English dol foolish, stupid; cognate with German toll

Related formsdull·ness, dul·ness, noundul·ly, adverbun·dulled, adjective

Synonym study

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.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dull


British Dictionary definitions for dull

dull

/ (dʌl) /

adjective

verb

to make or become dull
Derived Formsdullish, adjectivedullness or dulness, noundully, adverb

Word Origin for dull

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

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

Word Origin and History for dull
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for dull

dull

[ dŭl ]

adj.

Lacking responsiveness or alertness; insensitive.
Not intensely or keenly felt, as in pain.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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.