High-octane
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Of fuel, having a high octane number, good antiknock characteristics; used in high-performance vehicles.
"Now, to do the job, I need some high-octane gasoline."
- 2 High-powered, energetic, forceful or dynamic. broadly, figuratively
"So what if the Greeks never had BMX bikes? This year's Olympic Games, which kick off August 8 in China, add high-octane competitions—BMX racing and open-water swimming—and include sports like table tennis taken to Olympian levels."
- 3 Of a drink, highly intoxicating or caffeinated. figuratively
"There's no question that the high-octane beers of Marshall Wharf have had a massive influence on the breweries that have opened in Maine since 2007."
Adjective
- 1 vigorously energetic or forceful wordnet
- 2 used of gasoline; having a high octane number wordnet
Antonyms
All antonymsExample
More examples"What kind of high-octane are you using in your crystal ball these days, Swami?"
Etymology
From high + octane. First use appears c. 1931 in the Oakland Tribune.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.