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
Example Sentences
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 But afterwards, Gene has to stop to compose himself in a blind spot for the mall’s security cameras. 
Alan Sepinwall, Rolling Stone, 26 July 2022 One man’s recollection is another man’s blind spot. John Benson, cleveland, 8 Mar. 2022 However, a major blind spot has been getting information about the emissions from the upstream and downstream value chain. Jim Wetekamp, Forbes, 21 June 2022 The biggest blind spot is under braking, when the active wing flips up, blocking out the mirror like a sudden solar eclipse. Elana Scherr, Car and Driver, 18 May 2022 People all over the world have a blind spot about nuclear power. Jay Nordlinger, National Review, 11 July 2022 But the new law may have a blind spot, particularly for Chinese brands sending goods directly to U.S. customers. Yvonne Lau, Fortune, 20 June 2022 But outside experts say the gap in inspections speaks to a blind spot in the government's response effort, which was successful at preventing shortages of drugs and other medical supplies. Matthew Perrone, Detroit Free Press, 13 June 2022 But outside experts say the gap in inspections speaks to a blind spot in the government's response effort, which was successful at preventing shortages of drugs and other medical supplies. CBS News, 13 June 2022 See More
Alan Sepinwall, Rolling Stone, 26 July 2022 One man’s recollection is another man’s blind spot. John Benson, cleveland, 8 Mar. 2022 However, a major blind spot has been getting information about the emissions from the upstream and downstream value chain. Jim Wetekamp, Forbes, 21 June 2022 The biggest blind spot is under braking, when the active wing flips up, blocking out the mirror like a sudden solar eclipse. Elana Scherr, Car and Driver, 18 May 2022 People all over the world have a blind spot about nuclear power. Jay Nordlinger, National Review, 11 July 2022 But the new law may have a blind spot, particularly for Chinese brands sending goods directly to U.S. customers. Yvonne Lau, Fortune, 20 June 2022 But outside experts say the gap in inspections speaks to a blind spot in the government's response effort, which was successful at preventing shortages of drugs and other medical supplies. Matthew Perrone, Detroit Free Press, 13 June 2022 But outside experts say the gap in inspections speaks to a blind spot in the government's response effort, which was successful at preventing shortages of drugs and other medical supplies. CBS News, 13 June 2022 See More Word History
First Known Use
1829, in the meaning defined at sense 1a
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