| 例句 |
impenetrableadjective impossible to get through or intothe ancient temple was surrounded by vast stretches of impenetrable jungle impassable(also impassible), impermeable, impervious, impregnable close, compact, dense, thick, tightcompressed, condensedsturdy, substantial, toughfirm, frozen, hard, solid, stiffinflexible, rigid, unbending, unyielding negotiable, passable, penetrable, permeable soft, squishybendable, elastic, flexible, giving, malleable, pliable, yieldingabsorbent, porous being beyond one's powers to know, understand, or explainthe mysteries of that religion are completely impenetrable to outsiders arcane, cryptic, deep, enigmatic(also enigmatical), inscrutable, mysterious, mystic, occult, uncanny dark, darkling, fuzzy, murky, obscure, shadowy, vagueambiguous, equivocalimponderable, incomprehensible, unfathomable, unintelligible, unsearchableinexplicable, unaccountable, unexplainableunanswerable, unknowablemetaphysical, mystical, numinous, supernaturalabstruse, esoteric, reconditebaffling, befuddling, bewildering, confounding, confusing, disorienting, mystifying, perplexing, puzzling fathomable, intelligible, understandableapparent, clear, evident, manifest, obvious, open-and-shut, palpable, patent, perspicuous, plain, straightforward, transparent, unambiguous, unequivocal, unmistakable impossible to understandthe textbook's language is completely impenetrable, at least to me incomprehensible, unfathomable, ungraspable, unintelligible abstruse, enigmatic(also enigmatical), esoteric, indecipherable, inscrutable, recondite, unsearchablecryptic, darkling, deep, mysterious, mystic, oblique, obscure, occult, uncannyunanswerable, unknowablebaffling, bewildering, confounding, confusing, mystifying, perplexing, puzzlinginconceivable, unimaginable, unthinkable fathomable, intelligible, understandable basic, elemental, elementary, essential, fundamental, rudimentary, underlyingeasy, simplecoherent, connected, ordered, orderly, organized, systematic, systematizedclear, cogent, compelling, convincing, lucid, pellucid, perspicuous, plain, straightforward not allowing penetration (as by gas, liquid, or light)the container of toxic waste has an impenetrable seal to prevent leaks impermeable, impervious, tight close, compact, dense, snug, thickairtight, hermetic(also hermetical), leakproof, watertightlightproof, soundproof, waterproof penetrable, permeable, pervious absorbent, leaky, porous, unsealed in the 15th century |