Select the most appropriate meaning of the underlined idiom in the given sentence.

I must tell you that it all went pear-shaped after you left the meeting in the middle.

Went terribly wrong

The most appropriate meaning of the underlined idiom in the given sentence is went terribly wrong.

The idiom "go pear-shaped" means to go wrong or go badly. It is often used to describe a situation that has become chaotic or disastrous.

In the given sentence, the speaker is saying that the meeting went terribly wrong after the other person left. This can be described as going pear-shaped.

The other options are incorrect:

• Became very entertaining: This is not the meaning of the idiom "go pear-shaped."
• Became tragic: This can be the meaning of the idiom "go pear-shaped," but it is not the most common meaning.
• Turned out fine: This is the opposite of the meaning of the idiom "go pear-shaped."