Idiom
turn a blind eye
Meaning
To deliberately or knowingly ignore, overlook, or refuse to acknowledge something, especially when improper or unpleasant; to look the other way.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“The teacher turned a blind eye to the students whispering during the test.”
“The manager knew the employees were leaving early, but he turned a blind eye because they finished their work on time.”
“Although the corruption within the department was an open secret, the director chose to turn a blind eye to maintain the appearance of institutional stability.”
Examples
simple
“The teacher turned a blind eye to the students whispering during the test.”
contextual
“The manager knew the employees were leaving early, but he turned a blind eye because they finished their work on time.”
complex
“Although the corruption within the department was an open secret, the director chose to turn a blind eye to maintain the appearance of institutional stability.”
Origin
Probably from the idea of a person turning to look at something but not seeing it, as if their eyes are blind. The term is frequently claimed to originate from an incident during the First Battle of Copenhagen on 2 April 1801, when Vice Admiral Horatio Nelson (1758–1805) was ordered by Admiral Hyde Parker (1739–1807) through signal flags to discontinue naval action against a force of the Dano-Norwegian Navy. Nelson, who had been blinded in one eye early in his career, said to his flag captain Thomas Foley (1757–1833), “You know, Foley, I have only one eye—I have a right to be blind sometimes.” He then put his telescope to his blind eye and, remarking “I really do not see the signal,” continued the assault which ended in a British victory. However, this is not the source of the term as the Oxford English Dictionary records uses dating to the 17th and 18th centuries.
Key words
Related idioms
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