Definition

1. Adjective:

   • Lacking brightness, vividness, or sheen: Describes something that is not bright, shiny, or intense in color or light.
   • Not sharp or pointed: Describes an edge or point that is blunted.
   • Lacking interest or excitement: Describes something that is boring, tedious, or monotonous.
   • Slow to understand or perceive: Describes a person who is not quick or sharp in intellect.
   • Not intense or keen: Describes a sensation, such as pain or sound, that is muted or not acute.
   • Not active or brisk: Describes a period of low activity, especially in business or trade.

2. Verb:

   • To make or become less sharp: To cause an edge or point to lose its sharpness.
   • To make or become less intense, bright, or lively: To reduce the intensity, vividness, or vigor of something.
   • To make or become less sensitive: To cause a reduction in physical or emotional sensitivity.

Examples of Usage

• Adjective:

  • The room was painted a dull grey.
  • Be careful with that dull knife; it won't cut well.
  • I found the lecture to be incredibly dull.
  • He was a kind man, but often considered dull in conversation.
  • She felt a dull ache in her back.
  • The market has been dull this quarter.

• Verb:

  • Chopping on a glass board will dull your best knives.
  • Time had dulled the vibrant colors of the old poster.
  • The medication helped to dull the pain.

Advanced Usage

• "Dull the senses": To make someone less alert or sensitive.

  • The monotonous routine dulled his senses to the beauty around him.

• "Dull as dishwater" (Idiomatic): Extremely boring or uninteresting.

  • The meeting was as dull as dishwater.

• "Dull roar": A low, continuous, and muffled noise.

  • The crowd's excitement had subsided to a dull roar.

Variants and Related Words

• Dullness (n): The state or quality of being dull.
  • The dullness of the metal indicated it needed polishing.
• Dully (adv): In a dull manner.
  • He stared dully out the window.

Synonyms

• Adjective: Dim, drab, boring, tedious, blunt, sluggish, muted.
• Verb: Blunt, dampen, diminish, deaden, muffle.

Related Phrasal Verbs

(Note: "Dull" is not commonly used in phrasal verb constructions. Its meanings are typically expressed through the verb itself or with adverbs.)

Related Idioms

• Never a dull moment: Used to say that a situation is always exciting or full of activity.
  • With three young children in the house, there's never a dull moment.
• Dull the edge of: To reduce the intensity or effectiveness of something.
  • Familiarity can dull the edge of fear.

Adjective

1. darkened with overcast
   • a dark day
   • a dull sky
   • the sky was leaden and thick
2. not clear and resonant; sounding as if striking with or against something relatively soft
   • the dull thud
   • thudding bullets
3. blunted in responsiveness or sensibility
   • a dull gaze
   • so exhausted she was dull to what went on about her- Willa Cather
4. not having a sharp edge or point
   • the knife was too dull to be of any use
5. (of business) not active or brisk
   • business is dull (or slow)
   • a sluggish market
6. slow to learn or understand; lacking intellectual acuity
   • so dense he never understands anything I say to him
   • never met anyone quite so dim
   • although dull at classical learning, at mathematics he was uncommonly quick- Thackeray
   • dumb officials make some really dumb decisions
   • he was either normally stupid or being deliberately obtuse
   • worked with the slow students
7. not keenly felt
   • a dull throbbing
   • dull pain
8. (of color) very low in saturation; highly diluted
   • dull greens and blues
9. so lacking in interest as to cause mental weariness
   • a boring evening with uninteresting people
   • the deadening effect of some routine tasks
   • a dull play
   • his competent but dull performance
   • a ho-hum speaker who couldn't capture their attention
   • what an irksome task the writing of long letters is- Edmund Burke
   • tedious days on the train
   • the tiresome chirping of a cricket- Mark Twain
   • other people's dreams are dreadfully wearisome
10. being or made softer or less loud or clear
    • the dull boom of distant breaking waves
    • muffled drums
    • the muffled noises of the street
    • muted trumpets
11. emitting or reflecting very little light
    • a dull glow
    • dull silver badly in need of a polish
    • a dull sky
12. lacking in liveliness or animation
    • he was so dull at parties
    • a dull political campaign
    • a large dull impassive man
    • dull days with nothing to do
    • how dull and dreary the world is
    • fell back into one of her dull moods

Verb

1. make less lively or vigorous
   • Middle age dulled her appetite for travel
2. become less interesting or attractive
3. make dull or blunt
   • Too much cutting dulls the knife's edge
4. make numb or insensitive
   • The shock numbed her senses
5. deaden (a sound or noise), especially by wrapping
6. become dull or lusterless in appearance; lose shine or brightness
   • the varnished table top dulled with time
7. make dull in appearance
   • Age had dulled the surface