band·​width | \ ˈband-ˌwidth How to pronounce bandwidth (audio) , -ˌwitth \

Definition of bandwidth

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 When video is how business gets done, bandwidth is the new corporate real estate. Chris Macfarland, Forbes, 27 May 2022 Just about every streaming service is smart enough to adjust the video quality in response to the available bandwidth on the Wi-Fi (or cellular) network that you're connected to. Wired, 18 July 2022 Native PCIe 5th generation connectivity from the processor socket delivers higher performance and bandwidth for connected adapters. Karl Freund, Forbes, 18 July 2022 The exploit can extract kernel memory from AMD CPUs with a bandwidth of 3.9 kB per second. Dan Goodin, Ars Technica, 12 July 2022 The struggles of the White Sox and the ongoing Tony La Russa saga have taken up most of the bandwidth in town, leaving the Cubs to play second fiddle to their crosstown rivals. Paul Sullivan, Chicago Tribune, 6 July 2022 Here are a few items taking up bandwidth in my brain in a streaming of the sports consciousness: 1. Globe Staff,, 28 June 2022 But the memory bandwidth has been reduced from 128-bit to a 64-bit bus, thus halving the amount of memory data the GPU can pull. Michael Kan, PCMAG, 28 June 2022 Those problems are not going away, which means evidence of the worsening effects of climate change is taxing governments’ policy bandwidth. Ned Temko, The Christian Science Monitor, 22 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bandwidth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bandwidth

1902, in the meaning defined at sense 1

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The first known use of bandwidth was in 1902

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Dictionary Entries Near bandwidth

band wheel



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Statistics for bandwidth

Last Updated

5 Aug 2022

Cite this Entry

“Bandwidth.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2022.

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More from Merriam-Webster on bandwidth

Nglish: Translation of bandwidth for Spanish Speakers

Britannica English: Translation of bandwidth for Arabic Speakers Encyclopedia article about bandwidth


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