Pronunciation: (hī'ok'tān), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/high-octane.html on line 71 [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.