Meanings
How to pronounce "go under":
AU
To descend into a body of water; to founder.
Example: "The boat was too heavy and went under."
To collapse or fail, e.g. by going bankrupt.
Example: "In the crisis, the company was forced to reduce its costs in order to avoid going under."
To be named; to call oneself.
Example: "He goes under the name of Mr X to remain anonymous."
To enter a trance, state of hypnosis, etc.
Example Sentences
1
When you're swimming, hold your breath and try not to go under.
2
Without a life jacket, it's dangerous to go under in deep water.
3
If the company doesn't make any changes, it might go under soon.
4
He ignored all warnings and let his business go under.
5
She's been struggling to keep her head above water and not go under financially.