- (of fuel) having a high octane number, good anti-knock characteristics; used in high performance vehicles
- (by extension) high powered, energetic, forceful or dynamic
2016 October 24, Owen Gibson, “Is the unthinkable happening – are people finally switching the football off?”, in The Guardian, London:
- Will the exponential growth in TV rights income at home and abroad that has fuelled the endless inflation of the Premier League’s high-octane balloon ever level off?
having a high octane number