Definition of watertight
1
: of such tight construction or fit as to be impermeable to water except when under sufficient pressure to produce structural discontinuity
2
: leaving no possibility of misconstruction or evasion
a watertight lease
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share watertight
Time Traveler for watertight
The first known use of watertight was in the 15th century
See more words from the same century