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A Sacred Cow

A Sacred Cow.

English
idiom

Something nobody is allowed to question or change.

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What it means...

Something people refuse to question, even when it no longer works.

A sacred cow is protected by habit and feeling, so suggesting a change upsets people.

The phrase comes from the sacred status of cows in India.

Use it when…

  • When an old process survives every round of cuts
  • When questioning a tradition upsets people immediately
  • When habit protects something that stopped working

Don’t confuse with...

Wrong icon

"A Hornet's Nest"

—

A situation that causes trouble if disturbed

Wrong icon

"Set in Stone"

—

Fixed and impossible to change

Correct icon

"A Sacred Cow"

—

Protected from any question by tradition

Where you’ll hear it

You’ll hear the "A Sacred Cow" idiom in real life — at work, in relationships, or in the media.

Work & Business

Corporate Issues

The new director discovered that the annual conference was a sacred cow nobody would discuss cutting.

Relationships & Social Life

Family

Christmas at their grandmother's house is a sacred cow, and no one has questioned it in decades.

Media & Everyday Life

Politics

Reporters noted that farm subsidies remained a sacred cow no party was willing to touch.

Use it like this

Here’s how to use "A Sacred Cow" idiom naturally in real conversations, with real examples.

Work & Business

Meetings

You

If we're serious about the savings, the sacred cows have to be on the list.

Boss

You're right, though I'd like to prepare people before that meeting.

Relationships

Honest conversations

Partner

Could we skip the big family holiday just once this year?

You

In my family that trip is a sacred cow, but I'll raise it with them.

Everyday Conversations

Opinions

Friend

Why does the club still hold that awful summer dinner?

You

It's a sacred cow. Suggesting they cancel it would start a small war.

Last updated:
October 4, 2026

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