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.
But many drivers falsely believe high-octane gas offers a kind of treat for their engines. — David Goldman, CNN Money, 3 July 2026 The old regime did not develop high-octane relievers. — Spencer Nusbaum, New York Times, 24 June 2026 This is an absolute dream machine, packed to the gills with high-octane silicon that will dominate any modern game at maximum settings. — K. Thor Jensen, PC Magazine, 26 June 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 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

See All Rhymes for high-octane

Browse Nearby Words

high noon
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 7 Jul. 2026.

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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

Thesaurus: All synonyms and antonyms for high-octane

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