Useful English Word or Phrase to Boost Your English: Lost the Plot (Idiom)

Quick summary: An idiom used when someone is acting irrationally, is confused, or has lost their common sense.

What does it mean?

To have lost the plot means someone has become confused, irrational, or is acting in a way that makes no sense.

Is it positive or negative?

It is negative, used to critique someone's lack of sense or logic.

When do you use it?

Use it in everyday conversation when the situation matches the meaning.

Examples

Example 1: The manager has completely lost the plot; he has asked us to work on Christmas Day!

Example 2: I have been looking at these numbers for so long that I think I have lost the plot.

Question for you

Have you heard or used 'lost the plot' in real conversation?

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