The condition of being blind; unable to see.(noun)
Want of intellectual or moral discernment; mental darkness; ignorance, heedlessness.(noun)
Concealment(noun)
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Use "blindness" in a sentence
"Yes, still thinking the blindness is an act - but DAMN, his eyes were GREEN tonight."
"His allusion to what he called her blindness terrified her."
"Ishmael took himself severely to task for what he called the blindness, the weakness, and the folly with which he had permitted himself to fall into a hopeless, mad, and nearly fatal passion for one placed so high above him that indeed he might as well have loved some "bright particular star," and hoped to win it."