thin or thick

impermeable
(adj)
im-PER-me-ǝ-bǝl
Meaning

impervious; not permitting passage through its substance; not capable of being passed through

1st Sample Sentence

Roads used to be covered with tar because it is impermeable to water.

Root

in (not)#meare (to pass) (Latin)

Antonyms

permeable

Mnemonics

im (no)+permeable (permission)that means no permission for seepage.

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