high-octane

adjective
high-oc·​tane | \ ˈhī-ˈäk-ˌtān How to pronounce high-octane (audio) \

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

First Known Use of high-octane

1931, in the meaning defined at sense 1

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The first known use of high-octane was in 1931

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Cite this Entry

“High-octane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-octane. Accessed 24 Feb. 2021.

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More Definitions for high-octane

high-octane

adjective

English 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

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