go under

phrasal verb·3 senses·particle under

Usefulness

Meanings

1

Fail completely as a business or project

Why “under”? A business disappears because it can no longer continue.

Many small shops went under last year.
Many small shops failed completely last year.
The family cafe went under after rent rose.
The family cafe failed completely after rent rose.
2

Move below the surface of water

Why “under”? A person or thing moves or stays below a surface.

The damaged boat went under in minutes.
The damaged boat moved below the water in minutes.
His head went under for a moment.
His head moved below the water for a moment.
3

Become unconscious because of medicine for a procedure

Why “under”? Medicine makes a person unconscious for a procedure, or the person becomes unconscious.

I was nervous before I went under for the operation.
I was nervous before the medicine made me unconscious for the operation.
He went under quickly at the dentist.
The medicine made him unconscious quickly at the dentist.

Don't confuse with

go undergo forth

Go under means fail completely as a business or project. Go forth means set out or proceed onwards.

Test yourself

Many small shops went under last year. What does it mean?

Nearby in the meaning map

Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

Sink In app icon

Sink In — iOS & Android

Practice “go under” in Sink In

Drill “go under” and 1,300+ other phrasal verbs with spaced repetition, organised by the particle patterns that connect them.

  • Learn the pattern behind dozens of verbs at once — not one-off translations.
  • Spaced repetition (SM-2) brings each meaning back right before you forget.
  • Four practice modes train recall and discrimination, not just recognition.
1,300+ phrasal verbs26 particle patternsBuilt for B1–C2
Sink In daily spaced-repetition practice session