bandwidth

noun

band·​width ˈband-ˌwidth How to pronounce bandwidth (audio)
-ˌwitth
1
: a range within a band of wavelengths, frequencies, or energies
especially : a range of radio frequencies which is occupied by a modulated carrier wave, which is assigned to a service, or over which a device can operate
2
: the capacity for data transfer of an electronic communications system
Graphics consume more bandwidth than text does.
especially : the maximum data transfer rate of such a system
a bandwidth of 100 megabits per second
3
: the emotional or mental capacity necessary to do or consider something
I don't have the bandwidth to do it all myself, and I feel like a failure because I'm not living up to my own ideals.Frances Lefkowitz

Examples of bandwidth in a Sentence

The modem has a bandwidth of 56 kilobits per second. Graphics use more bandwidth than text does.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The service—which allows users to set their location to more than 160 locations in 90 countries with unlimited bandwidth—offers a 30-day-money-back guarantee. Lea Veloso, StyleCaster, 16 May 2025 Buchanan unexpectedly resigned her position on the Village Board on May 9 with two years left on her term, saying she was burned out and no longer had the bandwidth to serve. Bob Skolnik, Chicago Tribune, 15 May 2025 Deep tech, on the other hand, demands patience: long R&D cycles, high technical uncertainty and few short-term wins — a journey that most don’t have the bandwidth to go through. Kolawole Samuel Adebayo, Forbes.com, 12 May 2025 The old, copper telecommunications connections will get a fiber-optic technology update, allowing for greater bandwidth and speed, the agency said. Jaclyn Diaz, NPR, 8 May 2025 See All Example Sentences for bandwidth

Word History

First Known Use

1913, in the meaning defined at sense 1

Time Traveler
The first known use of bandwidth was in 1913

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Cite this Entry

“Bandwidth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bandwidth. Accessed 2 Jun. 2025.

Kids Definition

bandwidth

noun
band·​width ˈband-ˌwidth How to pronounce bandwidth (audio)
1
: a range of frequencies
2
: the capacity for or rate of data transfer
a high bandwidth Internet connection

More from Merriam-Webster on bandwidth

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