What's the difference between doubt and sure?

Doubt


Definition:

  • (v. i.) To waver in opinion or judgment; to be in uncertainty as to belief respecting anything; to hesitate in belief; to be undecided as to the truth of the negative or the affirmative proposition; to b e undetermined.
  • (v. i.) To suspect; to fear; to be apprehensive.
  • (v. t.) To question or hold questionable; to withhold assent to; to hesitate to believe, or to be inclined not to believe; to withhold confidence from; to distrust; as, I have heard the story, but I doubt the truth of it.
  • (v. t.) To suspect; to fear; to be apprehensive of.
  • (v. t.) To fill with fear; to affright.
  • (v. i.) A fluctuation of mind arising from defect of knowledge or evidence; uncertainty of judgment or mind; unsettled state of opinion concerning the reality of an event, or the truth of an assertion, etc.; hesitation.
  • (v. i.) Uncertainty of condition.
  • (v. i.) Suspicion; fear; apprehension; dread.
  • (v. i.) Difficulty expressed or urged for solution; point unsettled; objection.

Example Sentences:

  • (1) In a further study 1082 patients with a negative or doubtful result of the physical examination were investigated using ultrasound.
  • (2) p-Chlorophenylalanine (PCPA) also reduced the response to levodopa but the usefulness of PCPA as an inhibitor of 5HT synthesis in these experiments in doubtful since it also inhibited the hypoglycaemic effects of 5HTP and i.c.v.
  • (3) There is no doubt that new techniques in molecular biology will continue to evolve so that the goal of gene therapy for many disorders may be possible in the future.
  • (4) I never had any doubt that the vast majority of people engaged in "business" are not the exploiters but the exploited.
  • (5) There is no doubt that psychological, reactive and environmental factors do play a certain role too.
  • (6) Paul Doyle Kick-off Sunday midday Venue St Mary’s Stadium Last season Southampton 2 Leicester City 2 Live Sky Sports 1 Referee Michael Oliver This season G 18, Y 60, R 1, 3.44 cards per game Odds H 5-6 A 4-1 D 5-2 Southampton Subs from Taylor, Martina, Stephens, Davis, Rodriguez, Sims, Ward-Prowse Doubtful Bertrand, Davis, Van Dijk (all match fitness) Injured Boufal (knee, Jan), Hesketh (ankle, Feb), Targett (hamstring, Feb), Austin (shoulder, Mar), Pied (knee, Jun), Gardos (knee, unknown) Suspended None Form DWLLLL Discipline Y37 R2 Leading scorer Austin 6 Leicester City Subs from Zieler, Hamer, Wasilewski, Gray, Fuchs, James, Okazaki, Hernández, Kapustka, King Doubtful None Injured None Suspended None Unavailable Amartey, Mahrez, Slimani (Africa Cup of Nations) Form LDLWDL Discipline Y44 R1 Leading scorers Slimani, Vardy 5
  • (7) Without that, and without undertaking big changes, the service's future may fall into doubt, he says.
  • (8) This is welcome news but it needs to be borne in mind that the manufacturing sector is still far from racing ahead and serious doubts remain about the strength of demand for manufactured goods over the medium term, particularly once stimulative measures start being withdrawn.
  • (9) Doubts about Hinkley Point have deepened after a detailed report by HSBC’s energy analysts described eight key challenges to the project, which will be built by the state-backed French firm EDF and be part-financed by investment from China .
  • (10) The mean age of gravidae with doubtful smears is about 6 years beyond the mean age of gravidae with positive smears.
  • (11) I have no doubt that both the Conservative and Labour parties will maintain throughout the course of the election campaign their determination to build four submarines and 160 warheads,” he says.
  • (12) There is little doubt that when it opens next Thursday, One New Change will be jam-packed with City workers and tourists.
  • (13) We feel that they, as presented, leave serious doubt as to the validity of their conclusions.
  • (14) Contact guidance has been suggested to direct NC cells ventrally in the trunk, but this has been subject to doubt (see Newgreen and Erickson, 1986, Int.
  • (15) Although “there are serious questions and doubts in our minds over the government’s seven-day working agenda … it isn’t clear what this strike action is for and what the position of the BMA is now,” he told the Guardian.
  • (16) There is no doubt that people were killed quite deliberately by police officers.
  • (17) Other critics, even if they were unsure of the lasting relevance, were willing to give Tillmans the benefit of the doubt.
  • (18) We interpret this exaggerated positive attitude as an attempt to overcome inner fears, doubts and ambivalences.
  • (19) Another forward, Manchester United's Danny Welbeck, is a major doubt for the game with a knee complaint.
  • (20) Coghlin said: “There is no doubt that, as a consequence of the personalities involved, these proceedings attracted a very considerable degree of media publicity both before and, to a certain degree, subsequent to the trial.

Sure


Definition:

  • (superl.) Certainly knowing and believing; confident beyond doubt; implicity trusting; unquestioning; positive.
  • (superl.) Certain to find or retain; as, to be sure of game; to be sure of success; to be sure of life or health.
  • (superl.) Fit or worthy to be depended on; certain not to fail or disappoint expectation; unfailing; strong; permanent; enduring.
  • (superl.) Betrothed; engaged to marry.
  • (superl.) Free from danger; safe; secure.
  • (adv.) In a sure manner; safely; certainly.

Example Sentences:

  • (1) I'm not sure Tolstoy ever worked out how he actually felt about love and desire, or how he should feel about it.
  • (2) We want to be sure that the country that’s providing all the infrastructure and support to the business is the one that reaps the reward by being able to collect the tax,” he said.
  • (3) To be sure, the demonstration of pulmonary aspiration with GRS had little influence on patient selection and response to therapy.
  • (4) If you want to become a summit celebrity be sure to strike a pose whenever you see the ENB photographer approaching.
  • (5) Surely Michael wasn't saying he agreed with what Blair is doing?
  • (6) To be sure, when Russia withdrew Cuba's only deterrent against ongoing US attack with a severe threat to proceed to direct invasion and quietly departed from the scene, the Cubans would be infuriated – as they were, understandably.
  • (7) What happened in the past was that if smugglers are sure that European boats are patrolling very close to the Libyan coast, then traffickers use this opportunity to advertise, and say to potential irregular migrants: ‘You will be sure to reach the European coast.
  • (8) But no one was sure, and in this information vacuum the virus reached nearby towns and crossed borders.
  • (9) If this is the only issue, flight would be fine, but need to make sure that it isn’t symptomatic of a more significant upstream root cause.” Elon Musk (@elonmusk) Btw, 99% likely to be fine (closed loop TVC wd overcome error), but that 1% chance isn't worth rolling the dice.
  • (10) While visitors amble freely around the newly refurbished inside – the Pierhead is sure and steadfast in its role outside as the drastic red building, emblazoning the landscape of Cardiff Bay in all its regal beauty.
  • (11) The letters, seen by Guardian Money, state that the French-owned company is conducting a review of customer records to make sure all its information is up to date.
  • (12) "If I hadn't scored that goal, I might still have ended up playing in Italy [Platt went on to play for Bari, Juventus and Sampdoria] but, realistically, I'm sure it was the catalyst.
  • (13) Although it never really has a sense of fun and burns with ill-focused anger, The Paperboy represents a kind of triumph, surely, even if it's just in getting such high-profile actors to do such low-down deeds.
  • (14) Their brutality seems to have been fairly even-handed, or if it wasn't, the men surely suffered enough not to be presented as the winners of the atrocity.
  • (15) If figurative language is defined as involving intentional violation of conceptual boundaries in order to highlight some correspondence, one must be sure that children credited with that competence have (1) the metacognitive and metalinguistic abilities to understand at least some of the implications of such language (Lakoff & Johnson, 1980; Nelson, 1974; Nelson & Nelson, 1978), (2) a conceptual organization that entails the purportedly violated conceptual boundaries (Lange, 1978), and (3) some notion of metaphoric tension as well as ground.
  • (16) Doreen Lawrence to speak at conference on police spying, corruption and racism Read more Mick Creedon, the Derbyshire Chief Constable who is leading the police’s internal investigation into the SDS, said the public inquiry “will help us with the work that is already underway to make sure that the unacceptable behaviour of some officers in the past never happens again”.
  • (17) According to his blog, he's been acting on the advice of a friend and pursuing a course of "silence, exile and cunning", but I'm not sure a couple of years of not giving interviews to Heat qualifies.
  • (18) Asked by Marr if he knew if Ashcroft paid tax in this country, Hague said:" I'm sure he fulfils the obligations that were imposed on him at the time he became …" Marr: "Have you asked him?"
  • (19) Financial experts aren't immediately sure what to make of the report, but one theory is that the figure includes the 'profits' the European Central Bank has made by buying Greek debt at distressed levels since the crisis began: econhedge (@econhedge) suggestion that this is planned EUR31.5b+ECB profits.
  • (20) This is a very nice drug and I’m sure Merck are feeling very pleased with themselves.” Matt Kennedy, who led the trial at Merck, said: “Today there are very limited therapeutic options available for people with Alzheimer’s disease, and those that exist provide only short-term improvement to the cognitive and functional symptoms.