What's the difference between undercover and unmarked?

Undercover


Definition:

Example Sentences:

  • (1) I believe that truth sets man free.” It was a curious stance for someone who spent many years undercover as a counter-espionage informant, a government propagandist, and unofficial asset of the Central Intelligence Agency.
  • (2) But it proved too successful – one employee became too emotionally attached to the undercover MI5 agent.
  • (3) Certainly the affidavit against Ferdaus paints a compelling picture of a man hellbent on waging jihad in America and eager to take the guns and explosives eventually supplied to him by the undercover FBI agents.
  • (4) At first, cadres worked undercover, organising clothes sales and other charitable events without stating their true affiliation.
  • (5) Bernard Hogan-Howe, the Met commissioner, said a report revealing the undercover officers had spied on the family of murdered teenager Stephen Lawrence was “devastating” for Scotland Yard and “one of the worst days that I have seen as a police officer”.
  • (6) On Friday, the Met referred the case of another undercover officer, Jim Boyling, to the IPCC, after evidence emerged that he posed as a defendant using his false identity in another court case.
  • (7) Hunt was given responsibility for overseeing the News Corp bid for Sky on 21 December 2010, after the business secretary, Vince Cable, told undercover reporters he was at war with Rupert Murdoch.
  • (8) Ukraine and the west have repeatedly accused Russia of fuelling the five-month pro-Russian rebellion with arms, vehicles and undercover Russian troops.
  • (9) However if a public inquiry deems it is still necessary, I believe that the use of casual sex by undercover police may be warranted in very exceptional circumstances.
  • (10) The argument is always that if they shut the schools down they’ll go undercover.
  • (11) Brennan's comment appears unintentionally to have helped lead to disclosure of the secret at the heart of a joint U.S.-British-Saudi undercover counter-terrorism operation.
  • (12) The laws seek to outlaw undercover surveillance by animal rights activists inside factory farms, under threat of harsh punishment.
  • (13) It recommended that all radio communications taking place during undercover firearms operations should be recorded and covert armed response vehicles should be fitted with in-car data-recording systems.
  • (14) International aid officials admit that Russia's ostensibly humanitarian operation is particularly sensitive given the backdrop of what Ukraine claims is an undercover "hybrid" war waged by Moscow on Ukrainian territory.
  • (15) Finally in Britain this week the Israeli ambassador had to apologise to foreign office minister Sir Alan Duncan after an embassy official was caught on camera in an undercover sting plotting to “take down” MPs – including Sir Alan – regarded as outspoken supporters of a Palestinian state.
  • (16) An investigation into undercover policing by the Met, named Operation Herne, is under way.
  • (17) He said he was "deeply concerned" about the UK's use of undercover police officers in non-violent groups exercising their democratic rights to protest.
  • (18) • The undercover spies routinely formed sexual relationships with the campaigners they had been sent to spy on.
  • (19) Admiral Sir Trevor Soar The commander in chief of the Royal Navy fleet until March this year, Soar told the undercover reporters he knew "all the ministers" at the MoD.
  • (20) Given that Kennedy was, until recently, willing to assist the defence, one has to ask if the police were facing up to the possibility their undercover agent had turned native."

Unmarked


Definition:

Example Sentences:

  • (1) "There are definitely green men there today, they aren't hiding that they're from Crimea, from Russia," she said, referring to the unmarked soldiers Russia deployed to take control of Crimea last month, who are popularly known as "little green men".
  • (2) To increase production of the highly detoxified Lys9Gly129 PT analog by B. pertussis, additional copies of the mutated tox operon were integrated into the bacterial chromosome at the tox or fha locus by unmarked allelic exchange.
  • (3) The clear, unmarked Sheridan PVC tracheal tube is not recommended for laser airway surgery.
  • (4) 23 min: Dani Alves sends in a cross which the unmarked Pedro Rodriguez tries to half-volley home from 14 yards.
  • (5) Welbeck's goal drought came to an end when Rafael da Silva wriggled clear on the right and managed to dig out a deep cross that the unmarked Adnan Januzaj, whom Moyes felt came in for some rough treatment, headed against the far post.
  • (6) The number of myocardial lymphocytes demonstrated by immunohistochemical staining correlated well with, but was consistently less than, the number obtained by quantitative light microscopic studies on unmarked samples.
  • (7) More Americans than Australians died during the raids, many in unmarked sea graves.
  • (8) Dakhil travels with two armed security guards in an unmarked, unarmoured car to avoid drawing attention.
  • (9) Olsson, totally unmarked, had the simple task of prodding over the line.
  • (10) Other secondary recipients repopulated by "unmarked" progenitor cells or by cryptic provirus-positive precursors present in the spleens of the same donor mice did not develop disease; thus cells expressing v-fms did not invariably have a proliferative advantage after transplantation.
  • (11) These artificial substrates, whose termini resemble those of linear, full-length Ty1 reverse transcripts, can be coincubated with VLPs (containing unmarked reverse transcripts), resulting in the very efficient integration of the artificial substrate.
  • (12) If Moyes felt reprieved when Andros Townsend cut inside and curled a late shot wide, his afternoon was ruined when Paddy McNair needlessly conceded a free-kick, taken near the corner flag by Lee Chung-yong and, deep into stoppage time, an unmarked Benteke rose imperiously to clinch it.
  • (13) Study of the barium suspension passage through the small intestine, as the authors consider, is indicated in unmarked clinical features of the disease, and as well in its short duration (less than 6 h) with the aim of establishing a degree of ileus (complete, or partial).
  • (14) After removing epoxy resin semithin sections were incubated with 7 lectins (WGA, RCA I, PNA, LCH, UEA, LPA) marked by horseradish peroxidase and 2 unmarked lectins (VAA, Con A).
  • (15) Past research has shown that unmarked concepts are processed more rapidly than marked ones.
  • (16) This permits comparison of the labeling characteristics of unmarked and colloidal gold-marked Fab fragments.
  • (17) Unmarked and on the end of a Messi cross from the left, Bojan heads wide from six yards with half the goal gaping.
  • (18) USA 2-0 Azerbaijan (Johansson) Beautiful corner curled in from Davis and an unmarked Johansson flicks his header perfectly into the top near corner!
  • (19) Shortly after 7am on Thursday an unmarked police car pulled up outside Jefferies's flat in the affluent Clifton area of Bristol and he was arrested.
  • (20) While local emergency services performed gruesome cleanup feats in difficult conditions, there was little coordination or oversight of the work and on occasions bodies and possessions were seen being thrown into unmarked vehicles.