from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The property of behaving in a mindless manner.
from The Century Dictionary and Cyclopedia
- n. The condition of being devoid of mind or intelligence; absence of mind.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the trait of acting rashly and without prudence
- n. total lack of meaning or ideas
mindless + -ness (Wiktionary)