blind spot

noun

1
a
: the small circular area at the back of the retina where the optic nerve enters the eyeball and which is devoid of rods and cones and is not sensitive to light

called also optic disc

see eye illustration
b
: a portion of a field that cannot be seen or inspected with available equipment
2
: an area in which one fails to exercise judgment or discrimination

Examples of blind spot in a Sentence

When driving on the highway, you need to make sure no one is in your blind spot before changing lanes. She has a blind spot concerning her son's behavior.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The best insurance against blind spots is continuous learning. Robert Balentine, Forbes.com, 20 Aug. 2025 The committee also recommended that the facility replace the black aprons used by inmates with white aprons, add additional surveillance cameras to avoid blind spots from the guard towers and change the types of locks used on interior and exterior doors. Amanda Musa, CNN Money, 18 Aug. 2025 While the order applies directly to college athletics, its ripple effects—and its blind spots—are impossible to ignore. Aaron S. Marks, Hartford Courant, 15 Aug. 2025 To shore up existing blind spots, independent organizations are building data-rich tools to better predict the growing risk of intense rainfall. Evan Bush, NBC news, 12 Aug. 2025 See All Example Sentences for blind spot

Word History

First Known Use

1829, in the meaning defined at sense 1a

Time Traveler
The first known use of blind spot was in 1829

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Cite this Entry

“Blind spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blind%20spot. Accessed 28 Aug. 2025.

Kids Definition

blind spot

noun
1
a
: a point in the retina through which the optic nerve enters and which does not respond to light
b
: a part of an area that cannot be seen with available equipment
2
: an area of weakness (as in judgment)

Medical Definition

blind spot

noun
: the small circular area in the retina where the optic nerve enters the eye that is devoid of rods and cones and is insensitive to light

called also optic disc

More from Merriam-Webster on blind spot

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