What's the difference between perfidious and treacherous?

Perfidious


Definition:

  • (a.) Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless; as, a perfidious friend.
  • (a.) Involving, or characterized by, perfidy.

Example Sentences:

  • (1) It's almost starting to feel like we're back in the good old days of July 2005, when Paris lost out to London in the battle to stage the 2012 Olympic Games, a defeat immediately interpreted by France as a bitter blow to Gallic ideals of fair play and non-commercialism and yet another undeserved triumph for the underhand, free-market manoeuvrings of perfidious Albion.
  • (2) The classic European blood libel, like many other classic European creations, had a strict set of images which must always contain a cherubic Gentile child sacrificed by those perfidious Jews, his blood to be used for ritual purposes.
  • (3) A defence ministry statement said the rebels "cynically and perfidiously" shot down the plane using anti-aircraft guns and heavy calibre machine guns.
  • (4) After stating earlier this week that "politics have to reassert primacy over the financial markets", she said that the "speculators are our opponents" and described the banks as "perfidious".
  • (5) Donald Trump's homicidal healthcare bill will kill some, and enrich others | Adam Gaffney Read more Pelosi is not alone in her perfidy.
  • (6) Perfidious as Albion may be, the other 27 member states did not want to trigger its departure from the union.
  • (7) In part, this results from the reasonable thinking that the financial crisis, or at least the manner of perfidy that led to it, never ended.
  • (8) What is interesting, however, is that in Italy, the work is done to expose these perfidies: if you go into any Feltrinelli bookshop, you will see shelves of books that detail them, by brave reporters working with equally bold examining magistrates like those in Palermo, past and present.
  • (9) That’s all the perfidy of terrorism, to resort to blackmail, death and threats,” the prime minister, Manuel Valls, told Europe 1 radio.
  • (10) He is drawn back again and again to the perfidy of pretty much everybody in the music industry who doesn’t make music themselves.
  • (11) Realism in foreign policy has a long and distinguished tradition, not least in Britain – otherwise the French would never complain about 'perfidious Albion'.
  • (12) The perfidious Poms will keep the two George Stubbs paintings in Greenwich, London, where they will hang in the National Maritime Museum .
  • (13) So the Journal became a repository of all the woes and disappointed hopes suffered in their "hard and horrible struggle against anonymity": critical indignities, lack of sales, the perfidy of reviewers, the unmerited success of friends (some of whom, like Zola, were celebrated for techniques the Goncourts claimed to have pioneered).
  • (14) She has more in common with Blair, too, than she thinks – in her Chilcot appearance it was striking how blame and perfidy and mistakes lie anywhere but at her door.
  • (15) This is, of course, the traditional role of the perfidious Anglo-American world in the French imagination.
  • (16) For Hollywood, which he called "Shepherd's Bush wrapped in cellophane", and the domestic industry he adapted the act in more than 100 films to roles such as the Roundhead colonel in the British civil-war epic The Scarlet Blade (1963), the perfidious Inspector Fred "Nosey" Parker in The Wrong Arm of the Law (1962), and as Stanley Farquhar, the spy who was as inefficient as the dog in The Spy With a Cold Nose (1966).
  • (17) The perfidies of Albion may be many in the eyes of Scottish nationalists but they do not begin to compare to what Catalans feel about Madrid.
  • (18) But the significance of these savage executions – bodies tortured and torched or dumped in a river – lies in the entwining of ideological and narco violence: two nightmares, two perfidious calculations, in one.
  • (19) The EU budget, to those who moved and supported the rebel amendment, is a symbol of the perfidy of the EU itself.
  • (20) In a recent interview the BBC's Stephen Sackur harangued him about Pakistani perfidy.

Treacherous


Definition:

  • (a.) Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.

Example Sentences:

  • (1) Comparison was also made with cephalometric roentgenograms of a patient with Treacher Collins syndrome and of a patient with progeria.
  • (2) The clinical study of the major cranio-facial malformations such as Apert syndrome, Treacher-Collins syndrome, Blepharophimosis and Bilateral Cleft Palate patients, lead us to note a similarity of the orbito-palpebral region.
  • (3) Extensive research among the Afghan National Army – 68 focus groups – and US military personnel alike concluded: "One group sees the other as a bunch of violent, reckless, intrusive, arrogant, self-serving profane, infidel bullies hiding behind high technology; and the other group [the US soldiers] generally views the former as a bunch of cowardly, incompetent, obtuse, thieving, complacent, lazy, pot-smoking, treacherous, and murderous radicals.
  • (4) They say an increasing number of “protracted refugees” living in centres in Jordan, Lebanon, Turkey and Iraq will attempt the treacherous journey to Europe because they cannot offer their families a life or a future in the camps.
  • (5) The thinktank added: “It will be interesting to watch next week how Mr Osborne navigates these treacherous waters and avoids the obstacles he constructed for himself.
  • (6) The power and versatility of these computer-imaging techniques are demonstrated by examining living subjects with major craniofacial dysmorphology (Treacher-Collins syndrome and unilateral coronal synostosis); an anthropoid osteological specimen (Gorilla); and a fossil mammal skull.
  • (7) Although the ferocity of the wind has eased, engineers have been struggling to restore electricity in conditions described as treacherous and worsening.
  • (8) May linked the situation in Calais directly to the refugee crisis in north Africa and the migrant boats risking the journey across the Mediterranean: “The government is clear that we must break the link between people making the treacherous journey across the Mediterranean and achieving settlement in Europe ,” she said.
  • (9) There was desperate resistance, as when Sol Campbell had to deal with a treacherous low ball from the substitute Dmitry Torbinsky.
  • (10) Viewed from the outside, Pakistan looms as the Fukushima of fundamentalism: a volatile, treacherous place filled with frothing Islamists and double-dealing generals, leaking plutonium-grade terrorist trouble.
  • (11) The investment banking division, which causes much of the controversy over bonuses at the end of the year, has had a torrid time but remained profitable and Hester said it had been operating in an "incredibly treacherous environment".
  • (12) In the low-risk setting, TB can be treacherous because misdiagnosis is likely.
  • (13) The Obama administration on Monday approved Shell’s plan to resume drilling for oil and gas in the treacherous and fragile waters off the coast of Alaska , three years after the Anglo-Dutch oil giant was forced to suspend operations following a series of potentially dangerous blunders.
  • (14) Linkage analysis between the D4S18, D4S23, and QDPR loci and Treacher Collins syndrome in eight families excluded the Treacher Collins syndrome locus from the region of the deletion.
  • (15) On the contrary, the rotation of the midfacial segment combined with mandibular lengthening for the correction of Treacher Collins has a strong tendency to relapse because of the backward pull of the soft tissues.
  • (16) Treacher Collins syndrome is a rare but well studied autosomal dominant craniofacial malformation syndrome.
  • (17) UAE halted Isis air attacks after pilot capture Read more But it was also a crude and menacing message to Jordanians, whose government was described as “treacherous and Zionist”, to stop fighting Isis.
  • (18) Heathrow airport cancelled half of its flights as the snow and cold weather continued to cause problems across the UK, stranding motorists and leaving roads icy and treacherous.
  • (19) The area above the last camp at South Col is nicknamed the "death zone" because of the steep icy slope, treacherous conditions and low oxygen level.
  • (20) The haemorrhagic accident preceding the onset of craniofacial microsomia is discussed as is the distinctly different phenomenon of disturbance to the migration or differentiation of neural crest cells in the pathogenesis of Treacher Collins syndrome.