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Longman Dictionary of Contemporary English
high-octane
adjective
EXAMPLES FROM CORPUS
▪ A high-octane blend of action and patriotism fuel this predictable, average action flick.
▪ Such high-octane tours have become increasingly popular.
▪ The perfect hit, the literary equivalent to a high-octane power lunch.
▪ This was not surprising, given its high-octane roster of judges, congressmen, and Wall Street barons.
▪ You must use that fear, as you would a high-octane fuel, for fast forward motion.
Wiktionary
high-octane

a. 1 (context of fuel English) having a high octane number, good anti-knock characteristics; used in high performance vehicles 2 (context by extension English) high powered, energetic, forceful or dynamic

WordNet
high-octane
  1. adj. used of gasoline; having a high octane number

  2. vigorously energetic or forceful; "a high-octane sales manager"; "a high-octane marketing plan"; "high-powered executives"; "a high-voltage theatrical entrepreneur" [syn: high-powered, high-power, high-voltage, high-energy]

Usage examples of "high-octane".

The room smelled of sweat, cottonseed oil, and the lingering exhaust of high-octane jet fuel.

Then they drifted back into sleep or semisleep while at the field itself there was time for neither imagining nor sleep in the shoving and hoisting of bombs and torpedoes and the stiff coiling of belted bullets in then- cans, the gassing, the oiling, the changing of damaged parts, in the noise of engines and blown dust and the sharp smell of high-octane fuel.

I'm up here with five thousand liters of av-gas high-octane in plastic bladders.

If, at this late lethal stage, he did pause to wonder, even to question the validity of the task ahead, it was only to ask himself why such a massive demolition job should have to include five half-plane-loads of precious high-octane aviation fuel, as well as a heavy seasoning of cheap sharp metal that would rip white-hot [through the skin of each aircraft, travelling at the speed of a bullet, slicing through roasting flesh and charred limbs.

High-octane coffee can't jolt Bulldog talk out of a desultory ripple.