Thesaurus
Synonyms & Antonyms of impervious
1
not allowing penetration (as by gas, liquid, or light)
- the material for this coat is supposed to be impervious to rain
Synonyms for impervious
Words Related to impervious
- airtight,
- hermetic
- (also hermetical),
- leakproof,
- watertight
Near Antonyms for impervious
Antonyms for impervious
2
impossible to get through or into
- the rain forest is impervious to all but the most dedicated explorers
Synonyms for impervious
- impassable
- (also impassible),
- impenetrable,
- impermeable,
- impregnable
Words Related to impervious
Near Antonyms for impervious
Antonyms for impervious
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“Impervious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impervious. Accessed 4 Aug. 2021.
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Time Traveler for impervious
The first known use of impervious was in 1615
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