Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “dull”

See all translations

dull

adjective [-er/-est only]  /dʌl/ us  

dull adjective [-er/-est only] (BORING)

not interesting or exciting; boring: Many of the courtroom events were dull and routine. The lecture was dry, dull, and full of statistics.

dull adjective [-er/-est only] (NOT BRIGHT)

not clear, bright, or shiny: The day started off dull and overcast with a threat of showers.

dull adjective [-er/-est only] (NOT SHARP)

(esp. of sound or pain) not sharp or clear: a dull knife I heard a dull thud from the kitchen. She felt a dull ache at the back of her head.

dull

verb [T]  /dʌl/ us  
to make something less sharp or clear: Lack of sleep will dull your reflexes.
(Definition of dull from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of dull?
Add Cambridge dictionaries to your browser to your website

Definitions of “dull” in other dictionaries

Word of the Day

luck out

to be very lucky

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More