1. Used of petrol; having a high octane number 
2. Vigorously energetic or forceful
   "a high-octane sales manager"; "a high-octane marketing plan"
   - high-powered, high-power, high-voltage, high-energy

See also: dynamic, dynamical, efficient

• rock bass
• rock beauty
• rock bit
• rock brake
• rock cake
• rock candy
• rock climber
• rock climbing
• rock concert
• Rock Cornish
• Rock Cornish hen
• rock crab
• rock crystal
• rock dove
• rock drill
• rock elm
• Rock fever
• rock garden
• rock geranium
• rock group
• rock gunnel
• rock harlequin
• rock hind
• rock hopper
• rock hyrax