high-octane

adjective

high-oc·​tane ˈhī-ˈäk-ˌtān How to pronounce high-octane (audio)
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.
Current guitarist Meg Mills alternated between Edge-style, reach-for-the-sky reverb and chunky riff-heavy power chords, playing off the rest of the band’s high-octane energy for the bulk of the hour-long set. Jeff Miller, Rolling Stone, 11 Apr. 2026 With a sizable 16-inch display and a great component loadout, this laptop can handle high-octane creativity apps with ease. K. Thor Jensen, PC Magazine, 8 Apr. 2026 The exhibit, which opened at the end of March and will run through April 2027, is not only about the cars themselves but also about the city of Los Angeles and its high-octane tuner scene. Richard Guzman, Daily News, 6 Apr. 2026 In addition to enjoying high-octane activities such as hiking, zip-lining, rock climbing, water skiing, and fitness and dance classes, guests can also focus on finding their zen with low-impact pastimes like yoga, wine-and-paint classes or reading by the lake. Robin Roenker, USA Today, 2 Apr. 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 16 Apr. 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