(a.) Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe.
(a.) Intended to entrap; characterized by treachery and deceit; as, insidious arts.
Example Sentences:
(1) The controversy over the effects of low-level exposure to radiation enhances the perception of radiation as a particularly insidious phenomenon of nature.
(2) Meningiomas of the temporal bone are insidious and aggressive lesions.
(3) Onset is generally brutal, as in acute enteritis or an extradigestive infection (ENT...) but persists, or else, more often, the syndrome appears insidiously over several days.
(4) As the clinical presentation of "catheter infections" is often uncharacteristic and insidious, a definite diagnosis depends on bacteriological examination of the catheter.
(5) Seven of these patients had presented with insidious symptoms, seven had serum markers of hepatitis B infection, and the four who were HBsAg positive had relatively lower serum HBsAg concentrations than did those patients who continued with chronic persistent hepatitis.
(6) On the other hand, both blunt trauma and posterior stab wounds frequently caused isolated retroperitoneal duodenal lesions where the diagnosis was not evident on admission, but in which the insidious and progressive development of symptoms and signs drew attention to the need for laparotomy.
(7) The clinical presentations were similar to other forms of peritonitis complicating PD except for a more insidious onset.
(8) A 56-year-old woman developed insidiously progressive, painless weakness of her left hand.
(9) Patients with multiple choledochal stones usually presented with insidious onset of painless jaundice, simulating malignant bile duct obstruction, in contrast to the abrupt onset of cholangitis or pain experienced by patients with one to three stones.
(10) A 51-year-old female patient, admitted with a chief complaint of dizziness, had bulging of the occipital area, which had started insidiously.
(11) A women with longstanding seropositive rheumatoid arthritis presented with the insidious onset of a hyperviscosity syndrome.
(12) Respiratory distress may be insidious in onset and must be anticipated.
(13) In childhood, scoliosis is usually insidious and is rarely symptomatic.
(14) Epstein-Barr virus (EBV) infection, although it is sometimes unrecognized and insidious, is one of the etiologies to be considered.
(15) This is incompetent journalism in its most insidious form."
(16) The Spurs were missing simple shots but insidiously squirmed their way back into the game, with James returning to Earth and Leonard in fine shooting form.
(17) Peritoneal pseudomyxoma has several main features: it is insidious, recurrent, obstinate and severe.
(18) Onset of pain was insidious and the symptoms were thought to be related to synovitis due to SLE.
(19) Tracheostomy may be a life saving procedure in these circumstances, but delay may prove fatal when its need arises insidiously.
(20) The early and precise diagnosis of linitis plastica-type tumours of the rectum and anal canal is difficult because of their insidious presentation and anaplastic nature.
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.