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adj. So tightly made that water cannot enter or escape.

adj. Having no flaws or loopholes; impossible to fault, refute, or evade: a watertight alibi; a watertight contract.

adj. So tightly made that water cannot enter or escape.

"What an absurd and anomalous position, but the result is very serious for it means that as we are all separated by these artificial barriers which we have erected, there is a danger of our working and thinking in watertight compartments."

tight    incontestible    incontestable   

watertight compartment   

air-tight    waterproof    duranium    official-looking    fascial