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.
At the end, the two friends drive off in different directions, with Brian deciding to ditch their high-octane lifestyles to focus on his family. Britt Hayes, Entertainment Weekly, 20 Aug. 2026 Unveiled amid the high-octane glamour and pristine lawns of the Monterey Car Week in California, the Lucid Gravity GT-S is a direct assault on the most lucrative auto segment in North America. New Atlas, 19 Aug. 2026 Some come for the high-octane DJs at Shellona or the all-day revelry of Nikki Beach; others swear by the legendary glamour of Le Club 55 or the festive energy of Casa Amor. Lanie Goodman, Condé Nast Traveler, 18 Aug. 2026 But delivering that level of craft in a high-octane room where the hissing espresso machine competes with the bassline? Carly Boers, Chicago Tribune, 18 Aug. 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

Cite this Entry

“High-octane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-octane. Accessed 27 Aug. 2026.

Kids Definition

high-octane

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

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