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Definition of dull

dull

/dʌl/
dull

Adverb:dully
•
Past Simple:dulled
•
Past Participle:dulled
•
Present Participle:dulling
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dull Lexical Profile

dull Game Scores & Validity

• adjective

1

Lacking interest, excitement, or liveliness; boring and tedious.

Example

"The three-hour lecture on tax regulations proved to be a rather dull affair."


2

Lacking brightness, vividness, or sheen; dim or muted in color or light.

Example

"After years of exposure to the elements, the brass doorknob had faded to a dull finish."


3

Not having a sharp edge or point; blunt.

Example

"The chef paused to sharpen the dull blade before slicing the tomatoes."


4

Not sharp, sudden, or clear, but felt or heard steadily and indistinctly (especially of pain or sound).

Example

"He woke up with a dull ache in his lower back after moving the heavy furniture."


5

Slow to understand, learn, or respond; lacking mental acuity or alertness.

Example

"Lack of sleep left his mind feeling sluggish and dull during the morning exam."

Synonyms
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Antonyms
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• verb

1

To make or become less intense, acute, or sensitive (especially of pain, feelings, or the senses).

Example

"The medication helped to dull the discomfort in her sprained ankle."


2

To make or become blunt, tarnished, or less bright.

Example

"Cutting directly on a glass board will quickly dull your kitchen knives."

Synonyms
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Antonyms
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• Rhymes for dull

Word Origin & Etymology

From Middle English dull, related to Old English dol ('foolish, stupid'), deriving from the Proto-Germanic root *dulaz ('unclear, clouded').

Cite this Entry


Wordmom. (2026). Definition of Dull. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/dull
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