The property of behaving in a mindless manner.(noun)
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Use "mindlessness" in a sentence
"It's a truism that zombies represent the fear of consumerism and bland conformity (in fact, as publicansdecoy notes, their semiotic coding of mindlessness is redundant; not only do they act brainless, but paradoxically they both desire to consume our brains and are also vulnerable to having their brains destroyed, which makes no sense)."
"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."
"It would seem from all this that he was the ultimate in mindlessness, that he was an approachable and gentle sort of priest."