The quality or state of being blank; emptiness, lack of expression, or absence of content or meaning.
From blank + -ness. This straightforward formation has been used since Middle English to describe the state of being blank, whether physically, mentally, or emotionally.
Artists and philosophers have obsessed over 'blankness' for centuries—the blank canvas is supposed to be terrifying and full of possibility, but neuroscience shows your brain actually *hates* blankness and rushes to fill the empty space with patterns, predictions, or hallucinations if there's nothing real to see.
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