What's the difference between assassin and killer?

Assassin


Definition:

  • (n.) One who kills, or attempts to kill, by surprise or secret assault; one who treacherously murders any one unprepared for defense.
  • (v. t.) To assassinate.

Example Sentences:

  • (1) She was not aware that it was an assassination attempt by alleged foreign agents.” If at least one of the women thought the killing was part of an elaborate prank, it might explain the “LOL” message emblazoned in large letters one of the killers t-shirts.
  • (2) She read geography at Oxford, where Benazir Bhutto (a future prime minister of Pakistan, assassinated in 2007) introduced May to her future husband, Philip May: "I hate to say this, but it was at an Oxford University Conservative Association disco… this is wild stuff.
  • (3) When Martin Luther King was assassinated, they sent state troopers to my high school in east St Louis.
  • (4) Contrary to the claims of some commentators, such as Steve Vladeck , it is impossible to argue reasonably that the memo imposed a requirement of "infeasibility of capture" on Obama's assassination power.
  • (5) He was indicted on weapons charges and accused of plotting robberies and the assassination of the Southern Poverty Law Center’s founder.
  • (6) Sadly, the Jewish fanatic who assassinated Rabin in 1995 achieved his broader aim of derailing the peace train.
  • (7) The 25-year-old student is adamant that her mother, Berta Cáceres Flores, will not become just one more Honduran environmental activist whose work was cut short by their assassination.
  • (8) As well as George Dyer, there was the murderer Perry Smith in the Truman Capote story Infamous, the hot-headed mobster child-killer in Road To Perdition, the brooding Ted Hughes in Gwyneth Paltrow’s Sylvia biopic and a belligerent Mossad assassin in Steven Spielberg’s Munich.
  • (9) Compaoré was 36 when he seized power in a coup in which Thomas Sankara, his former friend and one of Africa’s most revered leaders, was ousted and assassinated.
  • (10) The surprise return of Saleh last month, after recovering in Saudi Arabia from an assassination attempt, has plunged the country into deeper uncertainty and sharpened the differences between pro- and anti-government camps.
  • (11) The attacks had clear echoes of the unsolved assassination in January this year of one of their colleagues, particle physicist Masoud Alimohammadi.
  • (12) The exposure of unsavoury candidates, allegations of racism and attempts at character assassination of Nigel Farage can be traced to Lynton Crosby , the architect of Conservative strategy who is a veteran of battles with the far-right Pauline Hanson in Australia.
  • (13) Its willingness to ignore diplomatic convention and use its Kuala Lumpur embassy to conduct an extraterritorial assassination will be seen as setting a dire precedent that cannot be allowed to stand.
  • (14) • An assassination attempt against Gennady Kernes, the wealthy mayor of Kharkiv, left him in "extremely serious but stable condition" in the hospital.
  • (15) I was told the Guardian had been too negative about Playboy in the past, and that they were also wary after a recent "trashing in the Sunday Times magazine – where Mr Hefner underwent a complete character assassination".
  • (16) Along with other recent events elsewhere in Guerrero – including the assassination of a party political boss in a well-known restaurant in Acapulco on Sunday and the murder of five people in one of the city’s poor barrios on Monday – the impression is growing that the state, long in a state of conflict, is being pushed over the edge.
  • (17) It explains the failure to unearth evidence of assassination: because state-appointed aviation experts conducted the investigation, their conclusion that it had been an accident proves that the state remains in the hands of the perpetrators (Law and Justice defence minister Antoni Macierewicz described their investigation as the greatest cover-up “in the history of the world”).
  • (18) Two years later Rabin was assassinated by a militant Israeli opponent of the peace process.
  • (19) The future James I resorted to them on several occasions in Scotland: in 1600, for instance, he had two alleged assassins pickled in whisky, vinegar and allspice, put on trial, and then mutilated.
  • (20) But these are only the latest of the clashes and atrocities that have engulfed Libya since Nato's "liberation": including bombings, assassinations, the kidnapping of the prime minister, the seizure of oil terminals by warlords, the explusion of 40,000 mainly black Libyans from their homes, and the killing of 46 protesters on the streets of Tripoli in one incident — ignored by the states that supposedly went to war to protect civilians.

Killer


Definition:

  • (n.) One who deprives of life; one who, or that which, kills.
  • (n.) A voracious, toothed whale of the genus Orca, of which several species are known.

Example Sentences:

  • (1) To investigate the immunomodulating properties of cis-diamminedichloroplatinum (II) (CDDP), we studied the drug's effects on natural killer (NK) lymphocyte cytotoxicity.
  • (2) To become president of Afghanistan , Ashraf Ghani Ahmadzai changed his wardrobe and modified his name, gave up coffee, embraced a man he once denounced as a “known killer” and even toyed with anger management classes to tame a notorious temper.
  • (3) She was not aware that it was an assassination attempt by alleged foreign agents.” If at least one of the women thought the killing was part of an elaborate prank, it might explain the “LOL” message emblazoned in large letters one of the killers t-shirts.
  • (4) Natural killer cells (CD8+CD57+) as well as activated T cells (CD3+HLA-DR+) were significantly increased in patients with sarcoidosis.
  • (5) In our efforts to explore alternative treatment regimens for multidrug-resistant tumors we have examined the sensitivity of MDR tumor cell lines to lymphokine activated killer (LAK) cells.
  • (6) The isolated LGL were highly cytotoxic against YAC-1 lymphoma cells and this cytolytic activity was blocked by treatment of the effector cells with an antibody against natural killer cells (anti-asialo GM1).
  • (7) Natural killer (NK) cell activity was assessed in the peripheral blood of 20 patients with growth hormone (GH) deficiency due to a hypothalamic deficit of GH-releasing hormone (GHRH).
  • (8) Analysis of lymphocyte subsets by flow cytometry demonstrated Leu 4, 43.6% (T cells); Leu 10, 10.5% (B cells) and Leu 7, 13.1% (natural killer (NK) cells) in TIL.
  • (9) Abnormal synaptonemal complexes were seen in all 19 crosses of N. crassa and N. intermedia that were examined, including matings between standard laboratory strains, inversions, Spore killers, and strains collected from nature.
  • (10) In experiments using double and triple chamber cultures it was demonstrated that suppressive macrophages from advanced T8-Guérin tumor (diameter 5--6.5 cm) bearing rats produced a dialysable factor which suppressed the killer activity of lymphocytes from non-advanced T8-Guérin tumor (diameter 0.5--0.7 cm) bearing rats, as well as from nonadvanced h 18R tumor bearing rats and from Ehrlich ascites bearing mice, against T8-Guérin ascitic cells and, respectively, against h 18R ascitic and Ehrlich ascitic cells.
  • (11) These killer cells could lyse a wide range of syngeneic and allogeneic lymphoid tumour cell lines in vitro, and it was found that cell suspensions from nude mice were always significantly more active than those from normal mice, and that the most active effector population was a polymorph-enriched peritoneal-exudate cell suspension.
  • (12) These findings show that humoral factors that can inhibit natural killer cell activity in vitro are present in the peripheral blood of patients who have endometriosis; moreover, they suggest that the suppressed natural killer cell activity may allow the development of endometrial cells at ectopic sites.
  • (13) Trophoblasts showed low susceptibility to natural killer and lymphokine-activated cells.
  • (14) Lymphokine-activated killer (LAK) cells are generated in vitro by the incubation of normal murine splenocytes in interleukin 2.
  • (15) In contrast, TCDD exposure had no significant effect on natural killer cell function, production of interferon, or various parameters of macrophage function.
  • (16) To help understand host-tumor relationships in adult acute lymphoblastic leukemia (ALL) and to better define potential indications for interleukin-2 (IL-2) treatment in this disease, the relationship between the susceptibility of leukemia cells of 22 patients with ALL to lysis by allogeneic lymphokine-activated killer (LAK) cells and characteristics of the leukemia was studied.
  • (17) The police investigating the 1991 murder of the Oxford student Rachel McLean had a strong hunch that the killer was her boyfriend, John Tanner, another student.
  • (18) Interferon-alpha and IL-2 could enhance NK activity and IL-2 could generate lymphokine-activated killer activity at all stages of ALL; however, the recycling defect hardly improved with these treatments.
  • (19) I read somewhere that one of the actresses you admire is Charlize Theron and she's another great beauty who started out modelling but whose breakthrough role came when she uglied up [to play serial killer Aileen Wuornos in Monster ].
  • (20) The present work investigated the association between prostaglandin E2 (PGE2) from macrophages and its inhibition of murine lymphokine-activated killer (LAK) cell generation.