HIGH-SPEED Synonyms: 63 Similar and Opposite Words

high-speed

adjective

Definition of high-speed

as in rapid

Related Words

Relevance

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of high-speed On Sunday, Colorado officials announced the new look for a high-speed passenger rail project that will connect Pueblo to Fort Collins. — Christa Swanson, CBS News, 13 July 2026 Four-way stops are substantially less efficient for all traffic than two-way stops and are intended as traffic-calming measures to prevent reckless, high-speed driving on quiet boulevards. — Chicago Tribune, 11 July 2026 Hundreds of flights have been canceled and some high-speed railway services halted. — Los Angeles Times, 11 July 2026 When the deputy tried to pull the driver over, the post said, the driver didn’t stop and a high-speed pursuit followed, as the driver reached speeds of 90 mph on rural roadways. — Corey Schmidt, Sacbee.com, 11 July 2026 See All Example Sentences for high-speed

Recent Examples of Synonyms for high-speed

Adjective

Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches.

— CA Earthquake Bot, Sacbee.com, 15 July 2026
In the hours, sometimes days, leading up to a collapse, the sensors could clearly detect a rapid increase in the ground tilting motion.

— Rosanna Xia, Los Angeles Times, 14 July 2026

Definition of rapid

Adjective

The new code also advocates for speedy restitution in accordance with applicable laws, and disclosures of potential conflicts of interest.

— News Desk, Artforum, 13 July 2026
As Trump confronts Iran war tensions at the NATO summit in Turkey, he is also set to meet with Ukrainian President Volodymyr Zelenskyy, who is expected to press for more sanctions on Russia and speedier access to American defense systems.

— Jamie Gray, NBC news, 9 July 2026

Definition of speedy

Adjective

The decision triggered swift backlash from Democratic lawmakers and created an existential—and potentially financial—crisis for the organization.

— Tessa Solomon, ARTnews.com, 9 July 2026
Meanwhile, the European Commission was swift in its defense of Spain—and the trade deal that was painstakingly finalized on June 25.

— Kate Nishimura, Footwear News, 8 July 2026

Definition of swift

Adjective

The late-night host and comedian answered a series of rapid-fire questions during the July 7 episode of Hey Jonas, with Jonas Brothers Nick, Joe, and Kevin, and one of them was telling about Meyers' mindset in crisis mode.

— Marina Watts, Entertainment Weekly, 13 July 2026
At issue is whether these modern rapid-fire rifles fit within the history of the gun rights protected by the 2nd Amendment or instead represent a new and dangerous threat to public safety that was unknown in 1791.

— Los Angeles Times, Los Angeles Times, 12 July 2026

Definition of rapid-fire

Adjective

Health officials said the accelerated remediation effort is intended to reduce any potential risk while the investigation continues.

— Anthony Thompson, USA Today, 11 July 2026
The accelerated conversion has led some aviation and security experts to question whether every critical upgrade was completed before the aircraft entered presidential service.

— Alexandra Skores, CNN Money, 10 July 2026

Definition of accelerated

Adjective

Alicia Tillman Alicia Tillman is currently the chief marketing officer at Delta, the world’s largest airline by both fleet size and market cap.

— Slma Shelbayah, Forbes.com, 25 June 2026
The fleet buildup is designed to prevent such single points of failure, and the new bill contains language that would require NOAA to have backup aircraft on hand for each mission.

— Andrew Freedman, CNN Money, 17 June 2026