(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.
Nefarious
Definition:
(adv.) Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile.
Example Sentences:
(1) The author of the new bill, Mike Rogers, the Republican chair of the House intelligence committee , has said it is aimed at tracking the nefarious activities of hackers, terrorists and foreign states, especially China.
(2) But remember: record companies can be callous and nefarious beasts."
(3) "If there is evidence that a particular American is involved in terrorism or other nefarious activity, then intelligence and law enforcement agencies should absolutely investigate that person aggressively, by showing that evidence to a judge and getting a warrant.
(4) For decades she’s been portrayed as a Lady Macbeth involved in nefarious plots, branded as “a congenital liar” and accused of covering up her husband’s misconduct, from Arkansas to Monica Lewinsky.
(5) In the fevered Daily Mail version, this fact suggests a nefarious and hyperactive court, up to mischief and rejoicing in 'overruling' national authorities, better to promote the interests of sex offenders and the homicidal.
(6) The talks came as the RAF dropped "precision" weapons on the Central Organisation for Electronic Research, described by the Ministry of Defence as "a cover for the regime's nefarious activities".
(7) Muscular dysfunction has a nefarious effect on subsequent facial growth.
(8) Thor: The Dark World sees Chris Hemsworth's Asgardian prince forced to team up with Tom Hiddleston's crafty Loki to take down an even greater threat, Christopher Eccleston's nefarious Malekith.
(9) A few minutes’ walks away, are the Catacumbas del Beaterio , part of a network of tunnels used for nefarious and religious purposes: short tours began last year.
(10) The optional measure was designed to “provide DHS greater clarity and visibility to possible nefarious activity and connections by providing an additional tool set which analysts and investigators may use”.
(11) Pushkov claimed Moscow and the EU were looking to solve the gas dispute between Russia and Ukraine but were being stymied by Washington's nefarious plans.
(12) Meanwhile, Donald Trump appeared to accuse Obama of harbouring a nefarious secret agenda on national security, linking the president to the mass shooting.
(13) Look, he’s the clear frontrunner, he’s been in six debates already, answered more questions from the media than any other candidate on the stage combined.” The Fox News press release that irked Trump and led to his withdrawal read: “We learned from a secret back channel that the Ayatollah and Putin both intend to treat Donald Trump unfairly when they meet with him if he becomes president – a nefarious source tells us that Trump has his own secret plan to replace the Cabinet with his Twitter followers to see if he should even go to those meetings.” Trump derided it as “a wise guy press release .
(14) Until recently Bitcoin had been a largely obscure currency used by the tech-savvy , libertarians wishing to thumb their noses at central bankers and people involved in more nefarious activities such as online gambling (often illegal in the US) or drug deals .
(15) Time was one would head to that area whenever a nefarious local had gone missing because, in time, the body would wash up in the River Lee.
(16) It also warned that “the conviction and detention of an individual for being in a declared area where no evidence has been provided of a nefarious intent could be arbitrary for the purposes of international human rights law”.
(17) Naturally, such features can be used for nefarious ends too, but Taaki says that's the price to be paid for freedom.
(18) While I’m not interested in a specific individual, I’m interested in the emergent behaviour of the crowd.” Facebook Twitter Pinterest City-simulation company Simudyne creates computerised models ‘with pretty pictures’ to aid disaster-response planning But what about more nefarious bodies who are interested in specific individuals?
(19) Via nefarious means I've watched two episodes of Lilyhammer , BBC4's brand new "not very good thing with subtitles we're hoping to keep The Killing audience enraptured with", where a New York mob boss (Steven Van Zandt) goes into hiding in Norway with hilarious results.
(20) We all know about the military uses of drones (bomb lots of people, surveillance), and how drones can be used for nefarious purposes (theft, voyeurism), but there are actually some pretty cool uses for drones too.