Meaning
- 
Go under is a phrasal verb that usually means:
- To sink beneath the surface of water or another substance.
 - To fail in business or to become bankrupt.
 - To lose consciousness (often used in the context of anesthesia or extreme fatigue).
 
 
Grammar and Usage
- 
Part of speech: phrasal verb
 - 
Verb type: intransitive
 - 
Patterns:
- Subject + go under
 - Company/ship/person + went under
 
 
Variations
- Go under (water) → to sink.
 - Go under (business) → to fail financially.
 - Go under (anesthesia) → to become unconscious.
 
Common Phrases
- "The company went under last year."
 - "He almost went under while swimming."
 - "She went under quickly after the doctor gave her anesthesia."
 
Collocations
- go under water
 - go under anesthesia
 - business go under
 - company go under
 
Examples
- The small boat went under in the storm.
 - Many shops went under during the economic crisis.
 - The surgeon told me I would go under in a few seconds.
 - Without financial support, the project may go under.
 - He nearly went under after being pulled into the strong current.
 - The restaurant went under because of poor management.
 - I was nervous before the operation, but I went under smoothly.
 - Several firms went under due to rising costs.
 
Synonyms or Related
- sink
 - collapse
 - fail
 - go bankrupt
 - fold
 
Antonym
- survive
 - stay afloat
 - succeed
 - prosper
 
