high-octane 
adjective
1Denoting petrol having a high octane number and thus good anti-knock properties.A petrol tank containing high-octane fuel is beside your seat....
- The AA says if you do that to a vehicle designed to run on high-octane petrol, the engine ‘would seize’.
- That is why high-performance cars generally need high-octane gasoline - their engines are using higher compression ratios to get more power.
1.1Powerful or dynamic: a high-octane forty-year-old...
- One of the main challenges of filming, he says, lay in translating the passion and the high-octane energy of the sport to the screen.
- The fund toned down its aggressive, high-octane formula.
- How can this be reconciled with the market-driven, high-octane, modernising spirit of the new millennium?
- parishing
- parishional
- parishioner
- parish kirk
- parish lands
- parish lantern
- parish mass
- parish priest
- parish-pump
- parish pumper
- parish pumpery
- parish-pumpish
- parish register
- parish rig
- parish rigged
- parish school
- parish schoolmaster
- parish work
- Parisian
- Parisian cloth
- Parisianisation
- Parisianised
- Parisianism
- Parisianization
- Parisianize