This common, informal expression means to lose consciousness temporarily.

The idea

Pass out has no object in this sense: the runner passed out. The past is passed out.

Examples

  • The runner passed out in the heat.
  • I nearly passed out when I saw the needle.
  • If you feel faint, sit down before you pass out.
  • A passenger passed out on the crowded train.
  • She passed out briefly and then opened her eyes.
  • He has never passed out before.

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Watch out

Feeling faint is not the same as actually losing consciousness. Do not insert an object into this meaning.

Try it yourself

  1. Choose the correct option. The singer ___ out during rehearsal yesterday. (passed / pass)

    Show answer or example answer

    passed

    passed: yesterday calls for the past form.

  2. Choose the correct option. He felt dizzy and nearly passed ___. (out / in)

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    out

    out: the person nearly fainted.

  3. Choose the correct option. When someone passes out, they temporarily lose ___. (consciousness / a ticket)

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    consciousness

    consciousness: the loss is temporary.

Use it today

Describe a fictional situation in which someone nearly faints.