adjective [ only before noun ]
1.
( of fuel used in engines ) of very good quality and very efficient
2.
( informal ) full of energy; powerful :
a high-octane athlete
adjective [ only before noun ]
1.
( of fuel used in engines ) of very good quality and very efficient
2.
( informal ) full of energy; powerful :
a high-octane athlete
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005