What's the difference between perilous and treacherous?

Perilous


Definition:

  • (a.) Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking.
  • (a.) Daring; reckless; dangerous.

Example Sentences:

  • (1) For his lone, perilous journey that defied the US occupation authorities, Burchett was pilloried, not least by his embedded colleagues.
  • (2) The mutual exclusions of languages are destined to become perilous.
  • (3) One of the problems I have with the New Atheism is that it fixates on ethics, ignoring aesthetics at its peril.
  • (4) Crisis management is more perilous and the international environment is, if anything, less controllable.
  • (5) After the Scottish referendum, Cameron knew the “perilous fragility of the public’s support for the sensible choice”.
  • (6) Asylum seekers take perilous boat journeys with their children because they judge the risk of violence, persecution and death where they are to be greater than the risk of getting on that boat.
  • (7) Sunderland and Middlesbrough in Premier League peril Read more Karanka is not alone in observing that “when Gastón plays well, it makes a big difference to us” but acknowledges he has never quite fulfilled the hype which accompanied his £12m move from Bologna to Southampton four years ago.
  • (8) Phil Mitchell was far more compelling when he was knocking off his bruvver Grant's wife Sharon than his ill-advised adventure advertising the perils of taking crack.
  • (9) An early return home is unlikely given the perilous condition of the plant three weeks after the tsunami.
  • (10) By this time I am off the track and perilously close to slipping over a cliff, which sounds dramatic but there is lots of scrub below to break my fall and bones before I would end up in the water.
  • (11) It feels like most people who are climbing Everest are having a film crew follow them.” Sherpa review – peril in the shadow of Everest Read more Since April’s earthquake, the Nepalese government have limited access to permits to experienced climbers, hoping that will address concerns about safety and overcrowding.
  • (12) Richard Overholt issued the first warning signals about the perils of tobacco and served as an indefatigable leader of the antismoking crusade throughout his professional career.
  • (13) We have a society accustomed to the pursuit of prosperity and individual gratification, often resentful of immigrants, and possessing a perilously skin-deep attachment to democracy.
  • (14) Mills, who experienced the triumphs and perils of an Olympics firsthand when his native Australia hosted the games in 2000, said he was particularly eager to discuss London 2012 with Hunt, whose department is responsible for the games.
  • (15) But the ultimate aim of the pro-life movement isn't to make sure that all clinics act within the law: it's to change the law so that most of these clinics' activities become illegal, a situation that would place both women and the children they are forced to bear in perilous situations.
  • (16) With this threat, the issue became larger than any film, larger than Sony and larger than the entertainment industry: societal and artistic values are in peril.
  • (17) There are fears that Cameron’s position could be in grave peril at a post-election meeting of the 1922 Committee, which has been brought forward to the Monday after polling day on 7 May, if the Tories fail to get a healthy lead over Labour in the Commons.
  • (18) The Fox News anchor showed excerpts of clips that had been released by CBS earlier on Monday at his request and claimed they backed up his descriptions of the peril he faced when reporting from the country at the end of the Falklands war.
  • (19) The delights and perils of the British constitution are that you never quite know.
  • (20) John Muir, a giant of the conservation movement, summed up the importance of bees to the human race when he said: “When one tugs at a single thing in nature, he finds it attached to the rest of the world.” We harm them at our peril.

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.