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.
Rookie Josue De Paula showed down the stretch, and with his plate discipline even in high-octane moments in the postseason, just how impactful the young players in the Dodgers’ system could be. — Maddie Lee, Los Angeles Times, 16 Oct. 2026 But Misiorowski’s right arm, which has brought the Brewers to the brink of the World Series, is likely still thousands of high-octane fastballs away from earning him a long-term contract reflective of his value. — Justin Birnbaum, Sportico.com, 14 Oct. 2026 Thursday Night Special — On the road, on a short week, facing the high-octane Cowboys, the Bucs stop here. — Bill Reinhard, New York Daily News, 8 Oct. 2026 Off the track, Verstappen’s lifestyle is equally high-octane. — Abby Montanez, Robb Report, 2 Oct. 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

Rhymes for high-octane

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Browse Nearby Words

high-occupancy vehicle
high-octane
high off the hog
See all Nearby Words

Cite this Entry

“High-octane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-octane. Accessed 19 Oct. 2026.

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Kids Definition

high-octane

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

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