Synonyms of high-octanenext
1
: having a high octane number and hence good antiknock properties
high-octane gasoline
2
: very powerful, strong, or effective
high-octane football
high-octane coffee

Examples of high-octane in a Sentence

Recent Examples on the Web
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.
Argentina’s run to the final has been perhaps the most high-octane sequence of knockout games in football history. Tim Spiers, New York Times, 16 July 2026 Waugh, 55, is no stranger to high-octane action thrillers, having inherited the Expendables franchise by directing its fourth installment in 2023. Jack Smart, PEOPLE, 15 July 2026 The Blues have attempted to turn their high-octane attack into shot attempts, but the world-class Spain back line has stood firm when approached by France’s deadly trio of attackers. Jim Barnes, Fort Worth Star-Telegram, 14 July 2026 Turns out, the surprise performance by Beyoncé was only the start of a high-octane evening. Caché McClay, USA Today, 11 July 2026 See All Example Sentences for high-octane

Word History

First Known Use

1931, in the meaning defined at sense 1

Time Traveler
The first known use of high-octane was in 1931

Browse Nearby Words

Cite this Entry

“High-octane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-octane. Accessed 21 Jul. 2026.

Kids Definition

high-octane

adjective
: having a high octane number and therefore good antiknock properties
high-octane gasoline

More from Merriam-Webster on high-octane

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster