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impenetrable

Synonyms and Antonyms of impenetrable

1 impossible to get through or into

  • the ancient temple was surrounded by vast stretches of impenetrable jungle
Synonyms of impenetrable
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Antonyms of impenetrable

4 not allowing penetration (as by gas, liquid, or light)

  • the container of toxic waste has an impenetrable seal to prevent leaks
Synonyms of impenetrable
Words Related to impenetrable
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Antonyms of impenetrable



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occurring twice a year or every two years

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