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.
Higher than average temperatures serve as high-octane fuel for tropical storms building strength. Martin E. Comas, The Orlando Sentinel, 8 July 2026 During halftime of Friday’s high-octane Argentina-Cape Verde Round of 32 match, Telemundo sportscaster Adriana Monsalve nodded to the online chatter the show has generated. Carlos De Loera, Los Angeles Times, 7 July 2026 Now, the high-octane penalty shootout comes to AT&T Stadium for just the second time in the venue’s soccer history. Jim Barnes, Fort Worth Star-Telegram, 3 July 2026 But many drivers falsely believe high-octane gas offers a kind of treat for their engines. David Goldman, CNN Money, 3 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 12 Jul. 2026.

Kids Definition

high-octane

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

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