Meaning of the word "sacred cow" in English

What does "sacred cow" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sacred cow

US /ˈseɪ.krəd kaʊ/
UK /ˈseɪ.krəd kaʊ/
"sacred cow" picture

Idiom

1.

a person, idea, or institution that is considered to be above criticism or attack, often unreasonably so

Example:
The company's old policies have become sacred cows that no one dares to question.
For many, the national health service is a sacred cow that should not be privatized.
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