English Reference

Word

superfast

Phoneticssu·per·fast, stress on the first syllable

/ˈsupɝˌfæst/

Definition

adj. extremely quick or moving at a very high speed. You use this to describe things like internet connections or trains that are much faster than normal.

adj. operating, moving, or performing at an exceptionally high speed. Often used to describe technological capabilities or transportation systems.

Examples

“The new superfast train reaches the city in twenty minutes.”

“The government promised to provide superfast broadband to every household in the rural district by next year.”

“The transition to superfast computing has enabled researchers to model complex climate patterns with a level of detail that was previously impossible to achieve.”

Examples

simple

“The new superfast train reaches the city in twenty minutes.”

contextual

“The government promised to provide superfast broadband to every household in the rural district by next year.”

complex

“The transition to superfast computing has enabled researchers to model complex climate patterns with a level of detail that was previously impossible to achieve.”

Collocations

Common phrases and expressions where native English speakers use the word “superfast” in context.

Verb

01. become superfast

“With the new fiber optic cables, the connection will become superfast.”

verb + adj

Noun

02. superfast broadband

“The government is investing in superfast broadband for rural communities.”

adj + noun

03. superfast charging

“The smartphone supports superfast charging, reaching 80% in just twenty minutes.”

adj + noun

04. superfast connection

“A superfast connection is essential for high-quality video conferencing.”

adj + noun

05. superfast processor

“This laptop features a superfast processor capable of handling complex tasks.”

adj + noun

06. superfast train

“The new superfast train cuts the travel time between the cities in half.”

adj + noun

07. access to superfast broadband

“Many remote areas still lack reliable access to superfast broadband.”

08. deliver superfast speeds

“The new network is designed to deliver superfast speeds to all users.”

Usage

Typically used as an attributive adjective before a noun.

Real-World Examples

“The UK’s first superfast-charging train running only on battery power will come into passenger service this weekend – operating a five-mile return route in west London.”
The Guardian 30 Jan 2026
“A two-month trial has begun on one Great Western Railway (GWR) train, fitted with technology from Formula One that switches between the signals from 5G masts to low Earth-orbit satellites to provide almost seamless, superfast wifi.”
The Guardian 17 Nov 2025
“The group said it worked with all the major telecom operators and broadband service providers in Britain, where plans for the first superfast mobile broadband service were also unveiled on Tuesday.”
Reuters 11 Sept 2012
“Bats are able to locate their prey using echolocation produced by a special kind of "superfast" muscle, scientists have found.”
BBC News 1 Oct 2011

Etymology

A 20th-century compound formed from the prefix super- and the adjective fast.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

rapidswiftspeedyhigh-speed

Antonyms

Word family

ADJECTIVE

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Occasional
Level
B1 · Intermediate
Updated

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