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high-oc·tane | \ ˈhī-ˈäk-ˌtān 
\
\Definition of high-octane
1 : having a high octane number and hence good antiknock properties
high-octane gasoline
2 : very powerful, strong, or effective
high-octane football high-octane coffee
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More Definitions for high-octane
high-octane
adjectiveEnglish Language Learners Definition of high-octane
of engine fuel : of a good quality that allows an engine to run efficiently
informal : very powerful, strong, or effective
See the full definition for high-octane in the English Language Learners Dictionary
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Time Traveler for high-octane
The first known use of high-octane was in 1931
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