43 Synonyms for Impermeable: impenetrable

impermeable (43 synonym found)

Impermeable has 43 synonyms. The top synonyms for impermeable are impenetrable, heavy, hard, massive, gluey, serried, nonporous, thick and 35 more. Another word for impermeable is impenetrable. Browse the full list below.

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Frequently asked questions

What is a synonym for impermeable?

A common synonym for impermeable is impenetrable. Other synonyms include heavy, hard, massive, gluey.

How many synonyms does impermeable have?

Impermeable has 43 synonyms listed on Thesaurasize.

What does impermeable mean?

(adj): impossible to permeate; not allowing passage, especially of liquids; waterproof

Definition of impermeable:

(adj) : impossible to permeate; not allowing passage, especially of liquids; waterproof

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