high-octane

[ hahy-ok-teyn ]

adjective
  1. noting a gasoline with a relatively high octane number, characterized by high efficiency and freedom from knock.

  2. Informal. forceful or intense; dynamic; high-powered: high-octane efforts to obliterate the competition.

Origin of high-octane

1
First recorded in 1930–35

Words Nearby high-octane

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use high-octane in a sentence

British Dictionary definitions for high-octane

high-octane

adjective
  1. (of petrol) having a high octane number

  2. informal dynamic, forceful, or intense: high-octane drive and efficiency

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012