wa
ter
tight
Comparative
more watertight
Superlative
most watertight
1
free from weaknesses or flaws
- She presented a watertight argument that no one could refute.
- The lawyer prepared a watertight case for the trial.
- His explanation was watertight, leaving no room for doubt.
- The contract is watertight, protecting both parties fully.
- They devised a watertight plan for the project launch.
Synonyms:
2
not letting water in or out
- The boat's hull is watertight, keeping it afloat in rough seas.
- Make sure the container is watertight before storing liquids.
- The basement was made watertight to prevent flooding.
- The diving suit is watertight, protecting the diver from leaks.
- They sealed the roof to make it completely watertight.