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dullness

American  
[duhl-nis] / ˈdʌl nɪs /

noun

  1. the quality or condition of being dull; bluntness or lack of sharpness, as of a blade or point.

  2. a boring or uninteresting quality.

  3. a lack of energy or liveliness; sluggish quality.

  4. the quality of lacking light, brightness, clarity, or color; dimness.

  5. a lack of intelligence; slowness of mind or thinking; stupidity.

  6. a lack of intensity, acuteness, or keenness, as of pain or perception.


Explanation

When something is either muted and drab or incredibly boring, it has the quality of dullness. If you want to counteract your bedroom's dullness, why don't you paint the walls bright yellow with purple polka dots? The dullness of late winter gradually ends when spring finally arrives with its bright colors and shining sunlight. The dullness of your most boring class will eventually come to an end as well, when the bell rings and it's time for lunch. Dullness describes a lack of vividness or excitement, and it can also be used for a lack of intelligence: "My dog is sweet, but her dullness makes it impossible to teach her any tricks."

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Vocabulary lists containing dullness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The manufacturing hub, which anchors the region that is home to auto giant Toyota, is Japan’s fourth most-populous city and, according to a decade-old newspaper poll that still stings here, number one in dullness.

From The Wall Street Journal Nov. 4, 2025

The musical is an American invention, and its garish traditions blossomed during the Great Depression when extravaganza at the movie theater relieved the dullness of everyday life.

From Salon Dec. 18, 2023

Excessive coloring of the hair to lighten the color can cause damage to the hair shaft leading to dullness, increased hair fragility, and breakage.

From National Geographic Aug. 22, 2023

“Let us not resign ourselves to sterile dullness and pessimism,” Francis told an annual gathering of pro-family organizations.

From Seattle Times May 12, 2023

In future days, the number of recruits trying to remain conscious against the back wall would be an accurate indicator of the deadly dullness of a given lecture.

From "Newjack: Guarding Sing Sing" by Ted Conover

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