-gu Godan/u-verb

1. to stop up; to close up; to block (up); to plug up; to shut up; to cover (ears, eyes, etc.); to close (eyes, mouth)
2. to stand in the way; to obstruct
3. to occupy; to fill up; to take up
4. to perform one's role; to do one's duty
5. to feel depressed; to be in low spirits; to mope