watertight

As adjectives the difference between weathertight and watertight

is that weathertight is sealed against the wind and rain while watertight is so tightly made that water cannot enter or escape.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective watertight is

so tightly made that water cannot enter or escape.

As adjectives the difference between waterproof and watertight

is that waterproof is unaffected by water while watertight is so tightly made that water cannot enter or escape.

As a verb waterproof

is to make waterproof or water-resistant.

As a noun waterproof

is a substance or preparation for rendering cloth, leather, etc., impervious to water.

As adjectives the difference between watertight and nonwatertight

is that watertight is so tightly made that water cannot enter or escape while nonwatertight is not watertight.

As adjectives the difference between watertight and windtight

is that watertight is so tightly made that water cannot enter or escape while windtight is impermeable for wind.