-su Godan/u-verb

1. to smash; to crush; to flatten
2. to shut down; to put out of business; to force (a company) to close up shop
3. to wreck; to break; to block; to thwart
4. to butcher; to slaughter; to kill (livestock, for food)
5. to kill (time); to while away (the time); to use up (one's time)
6. to waste (e.g. talents)