1. Her expression was impenetrable.

2. The car is impenetrable.

3. She was imperturbable, inscrutable, impenetrable.

4. His books are notoriously impenetrable.

5. This fortress is impenetrable.

6. An impenetrable fog halted traffic.

7. 18 She was imperturbable, inscrutable, impenetrable.

8. Babylon's walls were considered impenetrable.

9. They found the jungle virtually impenetrable.

10. Bulletproof definition is - impenetrable to bullets

11. Valerie's views on Gerald were impenetrable.

12. Their bushes form an impenetrable hedge.

13. I find his style somewhat impenetrable.

14. The security around the king is impenetrable.

15. Their jargon is impenetrable to an outsider.

16. Outside, the fog was thick and impenetrable.

17. Why Impenetrable Academic Language is Classist AF

18. You see, uh, abalone is nearly impenetrable, but...

19. This history book is completely impenetrable to me.

20. The trees formed a dark and impenetrable barrier .

21. Either side of the river is dense, impenetrable jungle.

22. 26 Either side of the river is dense, impenetrable jungle.

23. The words died under the impenetrable insolence of Bertha's smile.

24. Racism is the product of impenetrable or hermetically sealed minds.

25. An Adamant is an imaginary stone of impenetrable hardness

26. The fortifications of the castle were massive and impenetrable.

27. His dapper self - confidence seemed impenetrable to such hints.

28. Capsid serves as impenetrable shell around the nucleic acid core

29. Feminist organizations and the media appeared almost impenetrable to us.

30. Granted, the casual observer may dismiss this as impenetrable blarney.

31. Just a short time ago the forest was impenetrable ... and safe.

32. Ronan will isolate himself behind impenetrable security doors on deck.

33. It's my fault because my notes were so damn impenetrable!

34. The Japanese market used to be more or less impenetrable.

35. Some of the lyrics on their latest album are completely impenetrable.

36. He would make the Britches impenetrable, tackle the dead trees and plant saplings.

37. The two approaches, therefore, are not hermetically sealed units, impenetrable to each other.

38. The language of this document would be impenetrable to anyone except a specialist.

39. 18 Something even more impenetrable than a language barrier is at work.

40. The Bobbler creates a perfectly spherical, impenetrable, and persistent shield around or through anything

41. Secure behind her high walls, she considered herself to be an impenetrable city.

42. " They do, " he said through his muffler, eyeing her quietly through his impenetrable glasses.

43. On their own, Smilax plants will grow as shrubs, forming dense impenetrable thickets.

44. ‘Anyway, I bet they all feel the same way about our own impenetrable Anglicisms.’

45. Synonyms for Childproof include safe, secure, tamper-proof, proof, impervious, resistant, immune, impenetrable, repellent and resilient

46. Synonyms for Baffling include inexplicable, mysterious, puzzling, mystifying, unfathomable, incomprehensible, perplexing, impenetrable, obscure and cryptic

47. To you, the world remains an impenetrable mystery, whereas, to me, it is an open book.

48. Synonyms for Bewildering include baffling, confusing, mystifying, perplexing, puzzling, amazing, impenetrable, inexplicable, mysterious and surprising

49. The Greystones garden was like a jungle, parts of it as impenetrable as the Britches.

50. Confusing or generally unintelligible jargon; gobbledegook: an insurance policy written in Bafflegab impenetrable to a lay person.

51. Confusing or generally unintelligible jargon; gobbledegook: an insurance policy written in Bafflegab impenetrable to a lay person.

52. When it came to drawing joint conclusions, there was a nearly impenetrable opacity about Heath 's formulations.

53. They stared silently at the impenetrable curtain surrounding the ship, and each face was tense with anxiety.

54. Yet some people seem to learn to live with imperfection and others find it an impenetrable barrier.

55. The gnarled tree trunks-white mulberry and rich brown acacia-formed a perilous and nearly impenetrable net.

56. Broadbill Forest Camp is a mid-range lodge located in Ruhija, on the eastern edge of Bwindi Impenetrable forest

57. Anthropophagy as an artistic strategy does away with that broad and impenetrable barrier, allowing for multiple points of contact

58. We followed their tracks down into the swamp where a recent clearcut had left impenetrable thickets of young fir.

59. 20 But neglected and uncontrolled the same earth very soon destroys cultivated land and human habitat with impenetrable overgrowth.

60. Chaparral definition is - a thicket of dwarf evergreen oaks; broadly : a dense impenetrable thicket of shrubs or dwarf trees

61. Beneath the wariness and studied detachment that made for a near-impenetrable protective shell, Alvin was lonelier than ever.

62. Broadbill Forest Camp is a mid-range lodge located in Ruhija, on the eastern edge of Bwindi Impenetrable forest

63. A decade ago this was Checkpoint Charlie, one of the few gaps in an otherwise impenetrable barrier a hundred miles long.

64. I accepted to review this book because for me integration has always been a somewhat impenetrable part of quantitative chromatographic analysis.

65. But they come to realise that they are imprisoned by a transparent but impenetrable wall, which can never be crossed.

66. America's most infamous maximum security prison Alcatraz, home to the country's most dangerous criminals, is considered to be an impenetrable fortress

67. The property market that has since developed, an almost impenetrable blend of government and tycoons, could satisfy no free-market purist.

68. 25 We followed their tracks down into the swamp where a recent clearcut had left impenetrable thickets of young fir.

69. She was hedged about as if by an impenetrable thicket, so that they were unable to get any help to her.

70. Work-inhibited children have erected emotional barriers to education and, in response to demands by adults, these barriers become more impenetrable.

71. Meticulously painted in blood maroon and bruise brown, the body parts form an impenetrable jungle trapping various objects in their interior.

72. 14 A smallish man with vulturine features framed by thick grey hair opened the door. His impenetrable aquiline gaze rested on mine.

73. That was until Norman Tebbit spotted what he believed was the biggest chance of holing the impenetrable protective layer around the bill.

74. And this optimization scheme is applicable for not only the reconstruction of the impenetrable obstacle but also that of the penetrable obstacle.

75. Cataphract armour was famous for being extensive, even having their name derive from "Completely covered", but that doesn't mean impenetrable

76. Conservative media has spent the last three decades constructing an impenetrable bubble that places its millions and millions of passionate Brainwashees in …

77. Simply the most beautiful island in Vietnam, Phu Quoc is liberally sprinkled with picture-perfect white-sand beaches and cloaked in dense, impenetrable jungle.

78. 7 Meticulously painted in blood maroon and bruise brown,(www.Sentencedict.com) the body parts form an impenetrable jungle trapping various objects in their interior.

79. Citadels relates a spellbinding story from a time of kings, noble knights, and impenetrable castles, offering medieval battles with extraordinary characters and numerous tactical possibilities.

80. Brazil experienced no serious conflicts with its neighbors to the north and west, due to the buffer of the nearly impenetrable and sparsely populated Amazonian rainforest.