What's the difference between impervious and implacable?

Impervious


Definition:

  • (a.) Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.

Example Sentences:

  • (1) Placement of impervious knitted Dacron velour aortic grafts in baboons reproduced platelet consumption that progressively normalized over six weeks postoperatively.
  • (2) Below-zero temperatures crowned the top of the US from Idaho to Minnesota, where many roads still had an inch-thick plate of ice, polished smooth by traffic and impervious to ice-melting chemicals.
  • (3) There is all sorts of opacity which makes it easy for an employee to suffer retaliation.” Despite recent reforms to improve transparency and accountability, the organisation remains impervious to public scrutiny, with no established mechanism for freedom of information – a right which more than 100 governments around the world have enshrined in law, and is openly advocated by UN bodies such as Unesco.
  • (4) Persons suffering from major narcissistic problems generally are assumed to be impervious to time-limited treatments.
  • (5) Or you can do it at the desk with your smartphone if you can remember the website address, don’t mind the data roaming charges, can remember your national insurance number and are impervious to the long queue developing behind you”.
  • (6) On the other hand, the performance of a material that is liquid-proof is absolute--it is impenetrable and can be accurately described as impervious.
  • (7) A mathematical solution has been obtained for the indentation creep and stress-relaxation behavior of articular cartilage where the tissue is modeled as a layer of linear KLM biphasic material of thickness h bonded to an impervious, rigid bony substrate.
  • (8) This is the essence of the problem, and sadly, Festinger's words ring true today: the conviction of humans is all too often impervious to the very evidence in front of them.
  • (9) The amplitude of quantal events is impervious to marked changes in presynaptic depolarization and is not affected by experimental procedures which promote accumulation of calcium ions in the terminals.
  • (10) Many such cases prove impervious to extensive articulation therapy, yet physical management may constitute "over-correction" with undesirable sequelae.
  • (11) Purified thymidylate synthetase can be assayed radiochemically using labelled deoxyuridine monophosphate as substrate, but cells are impervious to deoxyuridine monophosphate and so intracellular thymidylate synthetase activity cannot be assayed in this way.
  • (12) Heseltine's achievements have been matched by conspicuous failures, but his self belief is almost thrillingly impregnable, making him quite impervious to any such impression.
  • (13) It is rife with secrecy, top-down managerial manipulation, impervious to any outside scrutiny, contemptuous of any questioning, and has embraced extensive surveillance and discriminatory policing of religious and racial minorities.
  • (14) These actions of YM14673 were not due to a direct interference with brain TRH binding or a nature impervious to a TRH-degrading enzyme.
  • (15) The numerous tight junctions, impervious to the tracer, are always accompanied by a profusion of microfilaments.
  • (16) A newborn baby with a large unruptured omphalocele was successfully treated by covering the sac with a skin-like polymer membrane that is flexible, elastic, and impervious to bacteria and water.
  • (17) Bateman's unspeakable imaginings are the disease of an imperviously complacent world.
  • (18) In these measurements with an impervious, plane-ended indenter, the equilibrium deformation was systematically greater than values predicted from the instant response by the linear biphasic theory.
  • (19) "He appears impervious even to input from top Afghans."
  • (20) A tractor owned by a member of Greece’s far-right Golden Dawn is parked outside of a shelter and a dozen young men from Afghanistan rest against its wheels, grateful for the shade and impervious to the protest.

Implacable


Definition:

  • (a.) Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince.
  • (a.) Incapable of ebign relieved or assuaged; inextinguishable.

Example Sentences:

  • (1) Cameron knew the latter option was not open to him, and had the guts to follow where the implacable logic led.
  • (2) But political corruption and the implacable opposition of the spooks and military to progressive change are the traditional forms of anti-democratic politics, in Britain, as elsewhere.
  • (3) Even Obama, whom Kerry supported for president at the risk of angering the Clintons, initially passed over Kerry as his second-term chief diplomat and only tapped Kerry when Susan Rice’s bid drew implacable opposition.
  • (4) Yet beneath the facade of implacable command was a moody, capricious man with a strained marriage: while he was in India, his wife Edwina had allegedly conducted an affair with the Indian politician Nehru.
  • (5) And her implacable conviction that immigrant families have been corrupted by the welfare state, which has eroded their traditional commitment to education, makes her bizarrely sentimental about the education provided in a country such as Jamaica.
  • (6) Developing nations have been unanimous and implacable on the terms of the finance deal.
  • (7) Five months on and the Syriza government is being ground down by an implacable European elite.
  • (8) The point may seem to be simply describing Shylock’s implacability – but the fact that it occurs as Shylock is using logic and reason to rebuff the noblemen creates a link between his capacity for debate and the idea of him as inhumane, beyond empathy.
  • (9) But eurozone governments have so far resisted substantial debt relief and are implacably opposed to any measure that could write off some Greek debts, otherwise known as a “haircut”.
  • (10) In an attempt to persuade AstraZeneca investors to force the board to negotiate, he flagged the company's apparently implacable opposition to a deal.
  • (11) The opposition is in tatters and divided on how to confront this implacable force.
  • (12) While Southern, operated by Govia Thameslink Railway (GTR) into London from Sussex, Surrey and parts of Kent, is not planning to make compulsory redundancies, unions are implacably opposed to any extension of driver-only operated trains.
  • (13) O’Hara told the Guardian: “As an SNP MP implacably opposed to Trident but also as the local MP, I am extremely worried by these allegations, even if only half of what the report claims is true.
  • (14) This is all part of what is supposed to be a clash of civilisations, unending, implacable, irremediable.
  • (15) Among Cameron's coalition partners stands Vince Cable, Lib Dem business secretary, MP for nearby Twickenham and another implacable foe of a bigger Heathrow.
  • (16) And those who step into sport's pressure cooker had better prepare themselves to be mentally implacable, and use the best psychological training they can find.
  • (17) Many of those politicians are implacably opposed to any form of tax hike, and Boehner has also struck a strong tone, claiming that the election results that left his party in charge of the House also represent a mandate from the people.
  • (18) The Catholic father in Ken Loach's Jimmy's Hall is just the most implacable enemy of nice-as-pie communists showing everyone a good time; the village imam in Nuri Bilge Ceylan's Winter Sleep is an ingratiating, smirking creep; and the local rev in The Homesman (as played by John Lithgow) is definitely a weasel, rather too obviously grateful not to have to transport three traumatised frontierwomen back east.
  • (19) They must stop chasing the thrill of a deal at the expense of US national security, and the security of our allies.” The Emergency Committee for Israel, an implacable administration foe, encouraged Congress on Friday to “take all appropriate measures to oppose [a deal] and ratchet up sanctions.
  • (20) The conservative reaction was immediate, and the message was implacable.