from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state or quality of being reckless or heedless, of taking unnecessary risks.
from The Century Dictionary and Cyclopedia
- n. The state or quality of being reckless or heedless; perverse or desperate rashness.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the trait of giving little thought to danger
From Middle English reklesnes, from Old English rēcelēasnes ("recklessness, carelessness, negligence"), equivalent to reckless + -ness. (Wiktionary)