Synonyms for impenetrable
ɪmˈpɛn ɪ trə bəlim·pen·e·tra·ble

WiktionaryRate these synonyms:0.0 / 0 votes

1. impenetrableadjective

   Antonyms:
   penetrable

2. impenetrableadjective

   The fortress is impenetrable, so it cannot be taken.

   Antonyms:
   penetrable

3. impenetrableadjective

   Business jargon makes this document impenetrable, I can't understand it.

   Antonyms:
   penetrable

English Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. impenetrable

   Synonyms:
   concealed, covert, dark, hidden, impalpable, imperceptible, invisible, latent, obscure, occult, secret, undiscovered, unimagined, unknown, unseen, unthought-of

   Antonyms:
   apparent, clear, conspicuous, discernible, distinct, evident, glaring, indubitable, manifest, obvious, open, overt, palpable, patent, perceptible, plain, tangible, transparent, unmistakable, visible

Princeton's WordNetRate these synonyms:5.0 / 3 votes

1. impenetrableadjective

   not admitting of penetration or passage into or through

   "an impenetrable fortress"; "impenetrable rain forests"

   Synonyms:
   dense, heavy

   Antonyms:
   comprehendible, comprehensible, penetrable, thin

2. dense, heavy, impenetrableadjective

   permitting little if any light to pass through because of denseness of matter

   "dense smoke"; "heavy fog"; "impenetrable gloom"

   Synonyms:
   laboured, sullen, laborious, heavy, dull, overweight, toilsome, slow, intemperate, sound, dumb, wakeless, dense, grueling, with child(p), threatening, grave, profound, lowering, cloggy, heavy(a), large(p), clayey, enceinte, grievous, fleshy, weighed down, hard, weighty, gruelling, expectant, lumbering, ponderous, backbreaking, sonorous, great(p), arduous, operose, dim, heavy(p), big(a), labored, punishing, thick, gravid, big(p), obtuse, leaden

   Antonyms:
   comprehendible, penetrable, thin, comprehensible

3. impenetrableadjective

   impossible to understand

   "impenetrable jargon"

   Synonyms:
   dense, heavy

   Antonyms:
   penetrable, comprehensible, thin, comprehendible

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. impenetrableadjective

   Synonyms:
   not to be penetrated, not to be pierced

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. impenetrableadjective

   Synonyms:
   impervious, imperforable

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "impenetrable":

   inscrutable, incomprehensible, unfathomable, opaque

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How to use impenetrable in a sentence?

1. Lionel Trilling:

   In the American metaphysic, reality is always material reality, hard, resistant, unformed, impenetrable, and unpleasant.

2. Lindy Boggs:

   When you’re not in leadership, you don’t have a seat at the table – maybe you have your subcommittee or your committee, something like that – but it almost is impenetrable, and the American people know it. They feel it and that’s why they’re becoming radical in their political expressions.

3. Albert Einstein:

   To know that what is impenetrable to us really exists, manifesting itself as the highest wisdom and the most radiant beauty, which our dull facilities can comprehend only in the most primitive forms--this knowledge, this feeling, is at the center of true religiousness. In this sense, and in this sense only, I belong to the ranks of the devoutly religious men.

4. Voltaire:

   There is a wide difference between speaking to deceive, and being silent to be impenetrable.

5. Georges Bataille:

   Crime is a fact of the human species, a fact of that species alone, but it is above all the secret aspect, impenetrable and hidden. Crime hides, and by far the most terrifying things are those which elude us.