blindness
Americannoun
-
the inability to see; the condition of having severely impaired or absolutely no sense of sight.
Patients are first asked if their blindness is congenital or the result of injury or disease.
-
an unwillingness or inability to perceive or understand; lack of judgment; ignorance.
Your blindness to this behavior has allowed his anxiety to worsen.
Etymology
Origin of blindness
First recorded before 1000; blind ( def. ) + -ness ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tatel is legally blind and seemingly feared that the justice would act with factual blindness.
From Slate • May 7, 2026
She and Basil Petrou developed a financial instrument designed to attract investors to the kind of promising, early-stage medical research on blindness that traditionally fails to gather enough funding to proceed to FDA trials.
From The Wall Street Journal • Mar. 12, 2026
Over time, it can lead to serious complications, including nerve damage, blindness, coma, and even death.
From Science Daily • Mar. 2, 2026
Mange is a common issue for foxes, especially during winter, with many foxes dying or being left with serious injuries such as blindness.
From BBC • Feb. 20, 2026
Olanna no longer remembered the hours of waiting for Odenigbo to come back, but she did remember the sensation of blindness, of cold sheaths being drawn over her eyes.
From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.