Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “dull”


adjective     /dʌl/ COMMERCE, FINANCE
used to describe a situation in which business activity is slow: Trading was dull as investors were sidelined because of a lack of good news. The earnings outlook is dull.
(Definition of dull adjective from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of dull

Definitions of “dull” in other dictionaries

Word of the Day


the quality of knowing someone very well, liking them a lot, and wanting to spend a lot of time together

Word of the Day


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