watertight

Từ điển Oxford Advanced Learner 8th

water·tight [watertight] BrE [ˈwɔːtətaɪt] NAmE [ˈwɔːtərtaɪt] NAmE [ˈwɑːtərtaɪt] adjective
1. that does not allow water to get in or out
•a watertight container
•The roof has been made watertight.
2. (of an excuse, a plan, an argument, etc.)carefully prepared so that it contains no mistakes, faults or weaknesses
•a watertight alibi
•The case has to be made watertight.

Example Bank:
•The containers should remain watertight.
•The trouble is that the inner seal is not completely watertight.
•a pretty watertight argument

• Từ đồng nghĩa / Synonyms:
  unassailable, unshakable, bulletproof