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[hahy-ok-teyn] /ˈhaɪˈɒk teɪn/

noting a gasoline with a relatively high octane number, characterized by high efficiency and freedom from knock.
Informal. forceful or intense; dynamic; high-powered:
high-octane efforts to obliterate the competition.
(of petrol) having a high octane number
(informal) dynamic, forceful, or intense: high-octane drive and efficiency


Forceful; energetic; high-powered, punchy: A pompous classical overture gives way to a jittery, high-octane beat and frayed guitar riffs

[1980s+; fr the octane rating of motor fuels, from about 1930]


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