Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “bandwidth”


noun [U]    /ˈbænd·wɪtθ, -wɪdθ/
the amount of information that can be sent over a network connection at one time : These streaming applications swallow enormous chunks of bandwidth for long periods of time . Bandwidth is also the amount of time , information , or influence that someone has: He has more bandwidth (= more influence ) than any presidential adviser has ever had in history .
(Definition of bandwidth noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of bandwidth

Definitions of “bandwidth” in other dictionaries

Word of the Day

tie the knot

to get married

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