Definition of "go under" in English

Verb

1. To descend into a body of water; to founder.

   • The boat was too heavy and went under.

2. To collapse or fail, e.g. by going bankrupt.

   • In the crisis, the company was forced to reduce its costs in order to avoid going under.

3. To die.

   • If we don't get him to a doctor, he'll go under for sure.

4. To be named; to call oneself.

   • He goes under the name of Mr X to remain anonymous.

5. To enter a trance, state of hypnosis, etc.

6. To be imprisoned.