(a.) Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked.
(a.) Hard; harsh; rugged; rough; intractable.
(v. t.) To harden.
Example Sentences:
(1) The system is not an obdurate one-man rule, but a balancing of power groups, including the military, government and internal security, all have different interests and policies.
(2) Both the Coalition and Labor are obdurately stuck with barbaric offshore detention policies, as though sensible, humane and politically viable alternatives are beyond them.
(3) For their part, the Israeli left accused Peres of acting as a figleaf for an obdurate Likud administration.
(4) Report on the temporary substitution of pharynx and upper oesophagus with synthetic skin substitute in case of incurable obdurating neck carcinoma.
(5) His team-mates were obdurate opponents in every respect.
(6) The fact that it was Johnson rather than Crow who had been obdurate was highlighted by the fact that TfL had all along planned to retain ticket-selling facilities at several busy stations, but, prompted by Johnson, had publicly suggested that they would all be closed.
(7) For the first time there were obvious signs of tension and, suddenly, this tough, obdurate West Bromwich side showed an attacking intent that simply had not been there earlier in the match.
(8) In the face of obdurate unreason, the president of hyper-reasonableness was forced to surrender.
(9) Underpinning the witty remarks and the textbook flippancy ("call me early, Goering dear, for I'm to be Queen of the May" was apparently Nancy's riposte to news of Diana and Unity's German adventures) though, was an absolute and obdurate self-belief; a self-possessed seriousness only partly disguised by sisterly teasing.
(10) Max from Earlsfield muses: "Admittedly terrible from Fab, a shame after 47 minutes of obdurate defence.
(11) This was a slog, a result ground out against ruggedly obdurate opposition , but Chelsea may end up gaining more satisfaction from prevailing in those awkward circumstances than from some of the more comfortable strolls they have enjoyed over a nine-match winning streak.
(12) Read more It was the third minute of stoppage time, and the cruellest of circumstances for this tough, obdurate Burnley side, when Arsenal’s possession finally paid off and the seemingly endless 20th-anniversary commemorations for Arsène Wenger were given a shot of euphoria that had not seemed like coming.
(13) Ireland were obdurate opponents but that does not fully explain the lack of quality that held back England once Frank Lampard had scored the 29th goal of his international career, 10 minutes after Shane Long's expertly taken header had given Giovanni Trapattoni's side an early lead.
(14) Russia's determination to defend wider spheres of traditional influence in the non-aligned and developing world can be seen in its obdurate refusal to penalise Syria, in the face of almost universal outrage over the crackdown there; and in its de facto defence of Iran's nuclear programme.
(15) It had needed some obdurate defending to keep the score down before Alves exchanged passes with the substitute Neymar and cut in from the right to slip his shot through Hart's legs.
(16) Republicans have been both obdurate and obtuse in Congress, where approval ratings have rarely scraped 20%.
(17) He is assertive (he insists on his photographer and dictates the terms of the interview), obdurate and, at times, wilfully contrary.
(18) We had an obdurate Labor party, a feckless Senate and a very difficult media culture,” Abbott said.
(19) In the years since those facts first became known, the story of the Holocaust has been told and retold, yet it still remains obdurately difficult to tell.
(20) Giles also remained obdurate and continued to refuse to resign even though he had only four supporters as against the conspirators’ nine.
Persistent
Definition:
(a.) Inclined to persist; having staying qualities; tenacious of position or purpose.
(a.) Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
(3) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
(4) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
(5) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
(6) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
(7) An experimental Anaplasma marginale infection was induced in a splenectomized mule deer (Odocoileus hemionus hemionus) which persisted subclinically at least 376 days as detected by subinoculation into susceptible cattle.
(8) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
(9) They had learned through hard experience what Frederick Douglass once taught -- that freedom is not given, it must be won, through struggle and discipline, persistence and faith.
(10) Short incubations with heparin (5 min) caused a release of the enzyme into the media, while longer incubations caused a 2-8-fold increase in net lipoprotein lipase secretion which was maximal after 2-16 h depending on cell type, and persisted for 24 h. The effect of heparin was dose-dependent and specific (it was not duplicated by other glycosaminoglycans).
(11) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.
(12) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
(13) Channel activation persists through the process of platelet isolation and washing and is manifested in higher measured values of [Ca2+]cyt and [Ca2+]dt in the "resting state."
(14) Gastro-intestinal surgery is only indicated if haemorrhage persists after a period of observation.
(15) Psychiatric morbidity is further increased when adjuvant chemotherapy is used and when treatment results in persistent arm pain and swelling.
(16) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
(17) This competence persists over the eight measurement points.
(18) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
(19) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
(20) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.