high–octane adjective
1 of engine fuel : of a good quality that allows an engine to run efficiently
▪ high-octane gasoline 2 informal : very powerful, strong, or effective
▪ high-octane football ▪ high-octane coffee [=coffee that contains a lot of caffeine]
▪ high-octane gasoline
▪ high-octane football ▪ high-octane coffee [=coffee that contains a lot of caffeine]
