Pronunciation: (rek'lis), [key]
1. utterly unconcerned about the consequences of some action; without caution; careless (usually fol. by of): to be reckless of danger.
2. characterized by or proceeding from such carelessness: reckless extravagance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.