Impermeable definition

ĭm-pûrmē-ə-bəl
Not permeable; not permitting fluids to pass through it; impenetrable.
adjective
5
2
Impossible to permeate.

An impermeable membrane; an impermeable border.

adjective
4
3
The definition of impermeable is not able to be broken through, or not allowing fluids to pass through.

An example of something impermeable is a zip-closure plastic bag.

adjective
1
0
Relating to a material through which substances, such as liquids or gases, cannot pass. Some substances, such as some types of contact lenses, are permeable to gas but impermeable to liquid.
3
3
Not allowing passage, especially of liquids; waterproof.
adjective
0
0
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Impossible to permeate.
adjective
0
1

Origin of impermeable

  • From French imperméable, from Latin impermeābilis, from im- + permeābilis (“permeable”).

    From Wiktionary