high speed vs HIGH-SPEED

Both "high speed" and "high-speed" are correct, but they are used in different contexts. "High speed" is used when describing a noun that has a high speed, while "high-speed" is used as a compound adjective to describe something that operates at a high speed.

Last updated: March 24, 2024 • 644 views

high speed

This phrase is correct and commonly used in English.

Use "high speed" when you want to describe a noun that has a high speed, such as a high-speed train or a high-speed chase.

Examples:

The high speed of the train impressed the passengers.
The car was traveling at a high speed.
The high speed of the internet connection allowed for quick downloads.
She was caught up in a high-speed chase.
The high speed of the bullet train made the journey quick.

Show examples from the web [+]

The occurrence or absence of abdominal penetration must be assessed using high speed photography.
You know these don't look like high speed tyres.
high speed (see paragraph 2.1.40.)
Violent (high speed) winds.
The cutting tool is a rotating high speed disc.
See for an example the Commission Guide to high speed broadband investment (.
Commission Decision 2002/733/EC established the first technical specification for interoperability (TSI) concerning the trans-European high speed energy sub-system.
8 projects with a budget of € 14 billion for high speed mobile communications networks, R&D and innovation.
Commission Decision 2002/732/EC established the first technical specification for interoperability (TSI) concerning the trans-European high speed infrastructure sub-system.
This version should apply to both high speed and conventional rail systems.
An assessment shall be carried out using high speed video imaging.
Where they exist, high speed trains have been shown to represent a valuable alternative to passenger air travel on certain European routes, which see enormous volumes of traffic having flight times of one hour or less.
In addition to the provision of broadband services over telephone lines, high speed Internet can also be supplied over cable networks.
At 8:04 this evening, a high speed commuter train struck a private vehicle.
ATC system which is installed on the high speed line Madrid-Seville as an extension of LZB in station areas.
Commission Decision 2002/735/EC established the first technical specification for interoperability (TSI) concerning the trans-European high speed rolling stock sub-system.
Korea is said to have a higher proportion of the population with high speed internet access than any other major economy.
NOTE 1 New and modernised traction units should be equipped with high speed circuit breakers capable of breaking the maximum short-circuit current in the shortest possible time.
Assessment of the high speed energy subsystem for the EI demonstration of compliance
Commission Decision 2002/735/EC [2] established the first technical specification for interoperability (TSI) concerning the trans-European high speed rolling stock sub-system.

Alternatives:

fast speed
rapid speed
quick speed
swift speed
speedy

HIGH-SPEED

This phrase is correct and commonly used in English.

Use "high-speed" as a compound adjective to describe something that operates at a high speed, such as a high-speed train or a high-speed chase.