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Definition of bandwidth

bandwidth

/ˈbænd.wɪdθ/
band · width
Plural:bandwidths
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bandwidth Lexical Profile

bandwidth Game Scores & Validity

• noun

1

The maximum rate of data transfer across a given path or network connection in a fixed amount of time.

Example

"Streaming high-definition video requires a significant amount of network bandwidth."

2

The energy, time, or mental capacity required to deal with a situation or task.

Example

"I would love to help with the new project, but I simply do not have the bandwidth right now."

3

A range of frequencies within a given band, in particular that used for transmitting a signal.

Example

"The radio station operates within a tightly regulated frequency bandwidth."

Synonyms
View all synonyms for bandwidth

• Nearby Words

bandstand
bandung
bandwagon
bandwidth
bandy
bandy-bandy
bane

Word Origin & Etymology

Coined in the 1920s in the field of radio engineering as a compound of 'band' (referring to a frequency band) and 'width'. In the late 20th century, its meaning expanded to digital data transmission and subsequently into a workplace metaphor for mental capacity.

Cite this Entry

Wordmom. (2026). Definition of Bandwidth. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bandwidth
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