What's the difference between sinister and treacherous?

Sinister


Definition:

  • (a.) On the left hand, or the side of the left hand; left; -- opposed to dexter, or right.
  • (a.) Unlucky; inauspicious; disastrous; injurious; evil; -- the left being usually regarded as the unlucky side; as, sinister influences.
  • (a.) Wrong, as springing from indirection or obliquity; perverse; dishonest; corrupt; as, sinister aims.
  • (a.) Indicative of lurking evil or harm; boding covert danger; as, a sinister countenance.

Example Sentences:

  • (1) The committee's findings include that the attacks were not extensively planned by the perpetrators; the intelligence community did a good job of warning about the risk of an attack but a bad job of summarizing the attack when it happened; the state department screwed up by not beefing up security at the mission; nobody blocked any military response; and that the Obama administration was slow to produce a paper trail but was generally not a sinister actor in the episode.
  • (2) He should not try to play political games with the darkest and most sinister chapter of Europe’s history.
  • (3) The American actor played sinister rookie methylamine chemist Todd Alquist in the final season of Breaking Bad.
  • (4) Camille O'Sullivan In 2007, the sinister, humorous gem Between the Devil and the Deep Blue Sea spread like wildfire just after its opening, and you had to kill to get a ticket.
  • (5) Wenger had complained of a sinister media plot to brainwash Arsenal's home fans, as though they were easily led and swing in the breeze, but it all was sweetness and light as Aaron Ramsey continued his early season swagger.
  • (6) The Chinese government is depicted as benevolent, while the US government manages to be both sinister and useless – typified by the black-clad CIA operatives, one of whom gets beaten up by a Chinese character.
  • (7) The results showed a very good distribution of 100% or 90% in the bronchi principals dexter and sinister.
  • (8) The Velvet Underground’s sinisterly thrilling, entirely unapologetic musical portraits of New York’s gay, drug-taking demimonde must have seemed overwhelming to a British suburban kid in the late 60s.
  • (9) The latest film sees Bond travel from Mexico to the Sahara desert, Italy and the Austrian Alps in pursuit of SPECTRE – an acronym for Special Executive for Counter-Intelligence, Terrorism, Revenge and Extortion – the sinister organisation intent on world domination.
  • (10) Sinister individuals in lab coats "advising" from behind the scenes?
  • (11) "But this can be taken out of my hands in a number of sinister ways."
  • (12) The police had handed control of the investigation to Paul Britton, a grandstanding and, in my view, faintly sinister, psychologist.
  • (13) The stories range from the subtly sinister to the outrageously gothic.
  • (14) Other more sinister forces have tried to tap into the widespread hostility towards the banking system.
  • (15) Rumours abound that Trump has had some link to Putin’s sinister finances.
  • (16) This is especially so where its occasional presentation as polypoid lesions of the lower respiratory tract may mimic other more sinister lesions and lead to unwarranted invasive procedures by the unsuspecting clinician.
  • (17) It would be possible to write off the Swartz prosecution (as some have done) as the action of a politically ambitious attorney general, but actually it fits a much more sinister pattern.
  • (18) In retrospect, the movement was not just horrific but often ludicrous in its paranoia: the most "sinister" aspect of one supposed conspiracy, notes the book Mao's Last Revolution , was that even some of its core members appeared unaware of its existence.
  • (19) I don’t know how well thought-through they have been with it.” “You have a medical issue at your home, you call police, you don’t expect it to to be recorded on video forever, and for somebody to come and request [it] and be used against you in some sinister way,” said Gibbons, about the recordings potentially being public record.
  • (20) EL: The first psychiatrist I saw subscribed very much to the same view as my friend and the GP – that my voice (and bear in mind, it's still only a single voice at this time) was a sinister harbinger of something much more serious.

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.