(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.
Stealthy
Definition:
(superl.) Done by stealth; accomplished clandestinely; unperceived; secret; furtive; sly.
Example Sentences:
(1) Worried that the song was too short, Gabler asked pianist Sonny White to improvise a suitably stealthy introduction.
(2) Having experienced a hands-on session with Hitman: Absolution at a pre-E3 event around a month ago, I'm pleased to say that it's retained all the slow, stealthy, hiding-in-a-cupboard-until-you-kill-someone gameplay of the previous titles.
(3) But there may be a stealthy way to play the gender card.
(4) 63 min: After more incisive work by Robinho, Luis Fabiano misdirects Jun Il with a stealthy touch ... and then hammers the ball high and wide from 10 yards.
(5) Trump has criticized the Pentagon’s top acquisition priority, a hugely expensive and advanced, stealthy, multipurpose combat jet that three US military services and key US allies, including the UK, are purchasing.
(6) But as negotiators tussle, in this trade deal and in every other, the sharpest of eyes need to be on the lookout for the stealthy influence of big tobacco.
(7) Economic ministers have previously said the government must address bracket creep because it was a stealthy “inflation tax” that would detract from economic growth and workforce participation.
(8) This may not be a slow and stealthy change, but an immediate and radical explosion.
(9) What had been invisible to Sheikh and other residents of Barawe was the stealthy advance of navy Seal team six – the same unit that killed Osama bin Laden in Pakistan – in a speedboat towards the Somalian coastline before first light.
(10) Alinejad told the Guardian she had been bombarded with messages and pictures since launching Stealthy Freedoms of Iranian Women .
(11) Outrage within the Democratic party over the stealthy manoeuvre has tarnished Renzi’s image and he was forced to backtrack.
(12) There are conflicting reports of how Ikrima survived Saturday's stealthy assault on Barawe by the same US navy Seal unit that killed Osama bin Laden.
(13) Cocks crow and partridges strut through nearby fields, food for stealthy farm cats.
(14) The good-looking, fork-tongued incomer is stealthy and ambiguous.
(15) Even in the recent snow and ice I stayed upright, although less by stealthy cat-like grace than by steadfastly refusing to leave my house.
(16) This case showed a possible threat of 'stealthy' and migrating foreign bodies, such as very fine acupuncture needles.
(17) And when Obama went to this kind of ‘let’s move away from hard power into the more soft power and more stealthy approach’, the numbers skyrocketed.” Carofano is right that total deaths from terrorism dipped after 2007, but they rose above those levels only after the beginning of the Syrian civil war, in 2011 .
(18) This is a system that can detect adversaries at quite a phenomenal distance and is stealthy so it is very, very difficult to find,” Johnston said.
(19) Defunding of the NHS and stealthy privatisation will introduce vested financial interests that will trump clinical needs.
(20) It was a stealthy act of digital anti-promotion that would prove massively successful, relying on news sites and social media to spread the word.