1. Foul or stagnant water that collects in the lowest part of a ship's hull.
Usage: nautical; literal sense
2. Nonsense, rubbish, or worthless talk or writing.
Usage: informal; figurative sense

Examples

• The crew had to pump out the bilgewater that had accumulated during the long voyage.
• The politician's speech was nothing but bilgewater designed to mislead voters.
• After the storm, bilgewater sloshed around in the hold of the fishing boat.
• I don't have time for that bilgewater—give me the facts.
• The old ship reeked of bilgewater and salt.
• His excuses were pure bilgewater; nobody believed him.