Most wooden ships were watertight in harbour, but they all leaked when they got out to sea.
The cameras had been stored in watertight containers.
EXAMPLES FROM THE CORPUS
A completely watertight one was obviously impossible; and it would also be sufficiently unusual to be suspicious.
But the Basle convention fails to offer a watertight answer to the awkward question: which waste is hazardous?
It seemed the basketwork was not as watertight as intended.
On this framework they constructed an airand watertight chamber, with the curtain wall as one of its sides.
Or thaw it in cold water in its watertight wrapper for more rapid thawing.
The agreement drawn up when property changes hands must be absolutely watertight.
There will be a rolling maintenance programme of the external walls and roof to ensure they continue to be wind and watertight.
To build these structures under water, the work place is enclosed by watertight walls.
Thesaurus
Longman Language Activatorsomething that does not let water pass through it►waterproof
something such as a container or material that is waterproof does not let water pass through it: · A warm, waterproof jacket is the first thing you need for mountain walking.· The Gore-tex fabric manages to be completely waterproof, and yet allows body moisture to escape.· a waterproof watch
►watertight
something such as a box or roof that is watertight does not let water pass through it so that what is inside does not get wet: · The cameras had been stored in watertight containers.· Most wooden ships were watertight in harbour, but they all leaked when they got out to sea.
Collocations
COLLOCATIONS FROM OTHER ENTRIES►an airtight/watertight container
(=not allowing air or water in)· Seeds are best stored in airtight containers.
►airtight/watertight seal
an airtight seal around the windows
1a watertight container, roof, door etc does not allow water to get in or out → airtight2an argument, plan etc that is watertight is made very carefully so that people cannot find any mistakes in it: Lucky for him, his alibi is watertight. Unless the ban is watertight, EU laws will overturn it.