bandwidth
HighTechnical (computing/IT), Neutral (extended metaphorical sense)
Definition
Meaning
The amount of data that can be transmitted over a communication channel in a given amount of time, measured in bits per second.
The mental or emotional capacity, time, or resources a person has available to deal with tasks or information.
Linguistics
Semantic Notes
Originally a technical term from signal processing and telecommunications. Its metaphorical extension to describe human capacity became common in business and everyday language in the late 20th/early 21st century.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Both use the technical and metaphorical senses identically.
Connotations
Identical in both varieties.
Frequency
Slightly more frequent in American business/corporate jargon, but widely used in both.
Vocabulary
Collocations
Grammar
Valency Patterns
have + bandwidth + for + NPconsume/use up + bandwidthallocate + bandwidth + to + NPlack + bandwidthexceed + bandwidthVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[no specific idioms; the word itself is used metaphorically]”
Usage
Context Usage
Business
"I don't have the bandwidth to take on another project this quarter." (Metaphorical: mental capacity/time)
Academic
"The experiment requires significant network bandwidth for data transfer."
Everyday
"My internet bandwidth is terrible, so videos buffer constantly."
Technical
"The channel's bandwidth is 100 MHz, supporting a data rate of 1 Gbps."
Examples
By Part of Speech
verb
British English
- We need to bandwidth the connection to prioritise video calls.
- The system automatically bandwidths traffic during peak hours.
American English
- We need to bandwidth the connection to prioritize video calls.
- The software helps bandwidth different types of data.
adjective
British English
- A bandwidth-intensive application
- bandwidth-hungry software
American English
- A bandwidth-intensive application
- bandwidth-heavy usage
Examples
By CEFR Level
- My internet has low bandwidth.
- The video call needs more bandwidth.
- We upgraded our plan for higher bandwidth.
- Streaming films uses a lot of bandwidth.
- The company's network bandwidth is insufficient for remote work.
- I'd love to help, but I just don't have the bandwidth this week.
- Optical fibres provide exponentially greater bandwidth than copper wires.
- Critical tasks should be allocated more managerial bandwidth during a crisis.
Learning
Memory Aids
Mnemonic
Think of a BAND (like a range) of frequencies that is a certain WIDTH (broad or narrow). A wider band can carry more data, just like a wider road can carry more cars.
Conceptual Metaphor
MENTAL CAPACITY IS COMMUNICATION CAPACITY / TIME AND ATTENTION ARE A LIMITED RESOURCE (like a data pipe).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation as 'ширина полосы' in metaphorical contexts. In IT, it's 'пропускная способность'. In business/personal contexts, use 'время/возможности/ресурсы' (e.g., У меня нет на это времени/возможностей).
Common Mistakes
- Using 'broadband' as a synonym (broadband is a type of high-bandwidth connection). Saying 'bandwidth' to mean just 'internet speed' (bandwidth is a component of speed, not synonymous). Pluralizing as 'bandwidths' is rare but possible in technical contexts.
Practice
Quiz
In a business meeting, someone says, 'I lack the bandwidth for that.' What do they most likely mean?
FAQ
Frequently Asked Questions
Bandwidth is the maximum capacity of the connection (like the width of a pipe), while speed is the actual rate data travels (like the water's flow speed). Higher bandwidth allows for higher potential speeds, especially when many devices are using it.
Yes, in informal and business English, using 'bandwidth' metaphorically to mean a person's capacity for work, attention, or emotional effort is very common and widely accepted.
In highly technical IT contexts, it can be used as a verb meaning to manage or allocate bandwidth (e.g., 'to bandwidth a network'), but this is specialist usage and not common in general English.
Bandwidth is typically measured in bits per second (bps), with common multiples like kilobits per second (Kbps), megabits per second (Mbps), and gigabits per second (Gbps).