What's the difference between necessary and sure?

Necessary


Definition:

  • (a.) Such as must be; impossible to be otherwise; not to be avoided; inevitable.
  • (a.) Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requiste; essential.
  • (a.) Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed.
  • (n.) A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; -- used chiefly in the plural; as, the necessaries of life.
  • (n.) A privy; a water-closet.
  • (n.) Such things, in respect to infants, lunatics, and married women, as are requisite for support suitable to station.

Example Sentences:

  • (1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (2) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
  • (3) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (4) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (5) In practice, however, the necessary dosage is difficult to predict.
  • (6) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
  • (7) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (8) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
  • (9) Obamacare price hikes show that now is the time to be bold | Celine Gounder Read more No longer able to keep patients off their plans outright, insurers have resorted to other ways to discriminate and avoid paying for necessary treatments.
  • (10) Duesberg contends that HIV is neither necessary nor sufficient to cause AIDS.
  • (11) It is therefore necessary, to look at typical clinical manifestations, i.e.
  • (12) We have examined the in vitro membrane assembly characteristics of a variety of leader peptidase mutants and found that domains required for insertion in vivo are also necessary for insertion in vitro.
  • (13) Two hours after the administration, the combinations of ethanol plus diazepam and ethanol plus meclophenoxate impaired significantly the number of necessary repetitions.
  • (14) The first experiment gave good results, although only one participant had any previous experience of hinge axis location, and it is debatable whether or not this experience is necessary before satisfactory results can be obtained.
  • (15) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
  • (16) Survival and healing of "extremely severe" grade intoxication can only be obtained through a surgical intervention within the first hours; a laparotomy will indicate the depth of the lesions, which is not determined by endoscopy, and will consist of Celerier's stripping method and if necessary a gastrectomy, more seldom a cephalic duodeno-pancreatectomy.
  • (17) Socio-economic improvement or behavioural changes appear necessary for the control of trachoma in endemic areas.
  • (18) This stimulation is mediated by one receptor with an apparent affinity of 3.3 X 10(-6) M. The hydroxyl group in the para position on phenylethanolamine was absolutely necessary to obtain an agonist whereas the meta hydroxyl group or the presence of a catechol almost suppressed the activity.
  • (19) Provided that adequate reflection is given and the appropriate moment chosen, it is well tolerated and provides all the necessary information.
  • (20) Total excisional biopsy is necessary to properly assess an adenoma microscopically.

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.