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Lose Your Marbles

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lose your marbles idiom

English Idiom – Lose (one’s) marbles

Meaning – Become crazy or insane. The idiom lose your marbles is used to describe someone who is acting in a confused or irrational manner, as if they have lost their mental faculties. It is often used as a way to describe someone who is behaving erratically or making poor decisions.

This expression can be used in a serious manner (“It’s so sad to see Grandpa losing his marbles in his old age.”) or it can be used jokingly (“You’ve bet your life savings on Chelsea to win the league? Have you lost your marbles?”)

Usage:

When could you use this idiom?

  • A relative is acting confused or irrationally after an illness.
  • Your friend has made a series of inexplicably bad decisions.
  • A colleague at work is making an extremely risky career move during a recession.
  • Your partner is so tired that they are behaving in an erratic manner.

Example:

  • “He’s been talking to himself a lot lately, I think he’s losing his marbles.”

In the News

Spotted in the newsIs Britain about to lose its marbles?irishcentral.com

What is an idiom?

An idiom is a word or phrase that is not taken literally. An idiom is an expression that cannot be understood from the meanings of its individual words, but has a separate meaning of its own.

Frequently Asked Questions

What does “lose your marbles” mean?

To go a bit crazy or lose your ability to think clearly.

Is “lose your marbles” rude?

It is informal and usually humorous, but it could be hurtful if said seriously.

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