impermeable
Other forms: impermeably
If you have a waterproof raincoat, you could say that your coat is impermeable to the rain. Something that is impermeable does not allow water or liquid to pass through it.
Made up of the prefix im-, meaning “not,” and the adjective permeable, meaning “allowing to pass through,” impermeable is used in much the same way as impervious or impenetrable. However, more so than these words, impermeable is especially associated with liquids and is often used in a scientific or technical context. Some gadgets, like waterproof watches and underwater cameras, are designed to be impermeable.
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preventing especially liquids to pass or diffuse through“impermeable stone”“an impermeable layer of scum”“a coat impermeable to rain”
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synonyms:
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tight
of such close construction as to be impermeable
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retentive
having the power, capacity, or quality of retaining water
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water-repellent, water-resistant
hindering the penetration of water
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imperviable, impervious
not admitting of passage or capable of being affected
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antonyms:
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permeable
allowing fluids or gases to pass or diffuse through
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leaky
permitting the unwanted passage of fluids or gases
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porous
able to absorb fluids
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semipermeable
(of a membrane) selectively permeable
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pervious
admitting of passage or entrance
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tight
/ɪmˈpʌrmiəbəl/
/ɪmˈpʌmiəbəl/
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Vocabulary lists containing impermeable
Philip Geer's "Simon's Saga" includes 820 SAT-level words and gives students an entertaining glimpse into college life. Here are links to our lists for the novel: Episode 1, Episode 2, Episode 3, Episode 4, Episode 5, Episode 6, Episode 7, Episode 8, Episode 9, Episode 10, Episode 11, Episode 12, Episode 13, Episode 14, Episode 15, Episode 16, Episode 17, Episode 18, Episode 19, Episode 20, Episode 21, Episode 22, Episode 23, Episode 24, Episode 25, Episode 26, Episode 27, Episode 28, Episode 29, Episode 30, Episode 31, Episode 32, Episode 33, Episode 34, Episode 35, Episode 36, Episode 37
In this memoir, Susanna Kaysen details the two years she spent in a psychiatric hospital.
Translated from the original Spanish by Gregory Rabassa, this classic of magical realism relates the saga of the Buendía family and the isolated town they founded in Colombia.