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UK//aɪ mʌst əv pɑːst aʊt//US//aɪ mʌst əv pæst aʊt//

Meaning of I must've passed out

To lose consciousness suddenly, usually due to shock, exhaustion, or medical reasons.

In simple words: I lost consciousness.

I must've passed out in a sentence

  • After running a marathon, I must've passed out from exhaustion.
  • When he heard the shocking news, I must've passed out right there.
  • She said, 'I must've passed out' during the intense heat at the concert.
  • I was so tired that I must've passed out on the couch after dinner.
  • Feeling dizzy, I must've passed out in front of the crowd.

How to use I must've passed out

Commonly used in informal conversations to describe fainting or losing consciousness; not suitable for formal writing.

Grammar pattern

standalone phrase

Memory hint

Imagine a student overwhelmed by studies who suddenly faints during an exam.

Related words

Collocations with I must've passed out

  • must've passed out
  • suddenly passed out
  • literally passed out
  • almost passed out
  • passed out cold

Synonyms for I must've passed out

  • fainted
  • lost consciousness
  • blackout
  • collapsed
  • swooned

Common mistakes with I must've passed out

  • Using 'passed out' in a formal context.
  • Confusing 'passed out' with 'passed away' which means to die.
  • Misusing it when someone simply sleeps, rather than fainting.

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Frequently asked questions about I must've passed out

What does I must've passed out mean?

I lost consciousness.

What is the definition of I must've passed out?

To lose consciousness suddenly, usually due to shock, exhaustion, or medical reasons.

How do you use I must've passed out in a sentence?

After running a marathon, I must've passed out from exhaustion.

Can you give another example of I must've passed out?

When he heard the shocking news, I must've passed out right there.

What are synonyms for I must've passed out?

Common alternatives include fainted, lost consciousness, blackout, collapsed, swooned.

What words go with I must've passed out?

It commonly pairs with must've passed out, suddenly passed out, literally passed out, almost passed out, passed out cold.

What are common mistakes when using I must've passed out?

Using 'passed out' in a formal context. Confusing 'passed out' with 'passed away' which means to die. Misusing it when someone simply sleeps, rather than fainting.

How do you pronounce I must've passed out?

US: //aɪ mʌst əv pæst aʊt//, UK: //aɪ mʌst əv pɑːst aʊt//. Listen to the audio above to hear native pronunciation.

When should I use I must've passed out?

Commonly used in informal conversations to describe fainting or losing consciousness; not suitable for formal writing.