This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The property of behaving in a mindless manner.

n. The condition of being devoid of mind or intelligence; absence of mind.

n. the trait of acting rashly and without prudence

n. total lack of meaning or ideas

"This implicit equation of the pleasures of reading with mindlessness is one reason I can't accept the commonly-held notion that getting people (especially young people) simply to read -- it doesn't matter what, as long as they're reading -- should be the goal of language/literary instruction."

meaninglessness   

downshift    narwhale    sourcesproduce    abusiveness    fibber