Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “dull”

dull

adjective (NOT SHARP)    /dʌl/
describes a sound or pain that is not sharp or clear: I heard a dull thud from the kitchen and realized she must have fainted. The dull rumble of traffic woke her. She felt a dull ache at the back of her head.Pain and painful old-fashioned not intelligentStupid and sillyOf unsound mind dully     /ˈdʌl.li/ adverb The car lights glowed dully through the mist. My arm still ached dully.Pain and painfulDarkness and becoming darkPale and colourless and causing colour to fade dullness     /ˈdʌl.nəs/ noun [U]
(Definition of dull adjective (NOT SHARP) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of dull

Definitions of “dull” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More