highspeed

Quick as lightning

Highspeed is a less common spelling of high-speed, describing something that moves, operates, or transmits very fast: highspeed rail, highspeed internet, highspeed chase.

The hyphenated form is standard, but the closed compound appears in technical contexts and brand names.

transport

bullet

Fired metal projectile

maglev · rail · TGV · commuter · corridor · locomotive · monorail · autobahn · freeway · ferry

internet

broadband

Fast internet access

download · upload · streaming · latency · ethernet · DSL · connection · router · 5G · data

motion

swift

Moving with speed

supersonic · meteoric · whirlwind · blazing · blistering · fleet · zippy · turbo · ultrafast · split-second

physics

velocity

Directed rate of motion

thrust · drag · mach · supersonic · transonic · hypersonic · terminal · propulsion · inertia · force

racing

dragster

Acceleration-built race vehicle

qualifying · laptime · checkpoint · grid · chicane · podium · slicks · turbo · downforce · aerodynamics

aerodynamics

streamlined

Made smooth and efficient

laminar · slipstream · airflow · frictionless · contoured · tapered · fuselage · fairing · spoiler · diffuser

Opposites
velocity/pace

highspeedslow

Lacking in speed

low-speed · sluggish · crawling · plodding · creeping

urgency/tempo

highspeedleisurely

Done without urgency

unhurried · gradual · relaxed · laid-back · measured

Family

high, speed, highest, high-speed

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G