What's the difference between impossible and improbable?

Impossible


Definition:

  • (a.) Not possible; incapable of being done, of existing, etc.; unattainable in the nature of things, or by means at command; insuperably difficult under the circumstances; absurd or impracticable; not feasible.
  • (n.) An impossibility.

Example Sentences:

  • (1) The size of Florida makes the kind of face-to-face politics of the earlier contests impossible, requiring instead huge ad spending.
  • (2) It was considered worthwhile to report this case due to the problems which arose concerning the choice of a thoracic rather than abdominal route owing to the impossibility of associating cardiomyotomy with anti-reflux plastica surgery because of the reduced dimensions of the stomach.
  • (3) During periods of wet steam it was impossible to maintain consistent sterility of the mouse pellets even using a cycle of 126 degrees C for 60 minutes.
  • (4) It is stated, that it is impossible to strive to effectively control the smoking habit neither by way of the consulting hours for smokers nor by means of the 5-days-plans.
  • (5) It’s impossible to understand why they don’t hold a PRB every single day.
  • (6) The contra-indications for them are: 1. a better visual acuity with spectacles than with contact lenses, 2. advanced cases (4th degree of Amsler) whose fitting is impossible, 3. unilateral keratoconus, 4. associated diseases such as trachomatous pannus, allergic kerato-conjunctivitis.
  • (7) Not long ago the comeback would have been impossible to imagine.
  • (8) It is often difficult if not impossible to include a pediatric patient in the planning of burn reconstruction.
  • (9) But leading British doctors Sarah Creighton , consultant gynaecologist at the private Portland Hospital, Susan Bewley , consultant obstetrician at St Thomas's and Lih-Mei Liao , clinical psychologist in women's health at University College Hospital then wrote to the journal countering that his clitoral restoration claims were "anatomically impossible".
  • (10) "I have tried to borrow the money, but it was simply impossible."
  • (11) It appears impossible to define a "positive" tilt test that would adequately identify patients with clinically significant dehydration or blood loss; this is due to the large variance in patients' orthostatic measurements both in a healthy and in an ill state and the lack of a significant correlation of orthostatic measurements to a level of dehydration.
  • (12) The grand patriarch, battling dissent and delusion, coming in for another shot, a new king on the throne, an impossible future to face down.
  • (13) 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.
  • (14) Clearly, it is impossible to combine the diverse information briefly outlined in this review to provide a coherent model of the regulation of globin gene expression during development.
  • (15) This report emphasizes the value of intensive investigation before surgery, since it may be impossible to identify the site of bleeding at laparotomy.
  • (16) It is as yet impossible to judge how far routine magnetic resonance imaging will supplant or complement CT in making the initial clinical diagnosis.
  • (17) She said it was impossible to attribute the increase in Indigenous women’s incarceration rates to one specific factor, but law and order policies of federal and state governments should be examined.
  • (18) It was impossible to distinguish the type of drug used for inhibition of EIA if it caused bronchodilatation at rest.
  • (19) Facebook Twitter Pinterest Columnist Jonathan Freedland and economics editor Larry Elliott discuss the late-night deal that the Greek prime minister Alexis Tsipras has agreed to When it comes to the now-abandoned Thessaloniki Programme, the radical manifesto on which Alexis Tsipras came to power, there is always talk of implementing it “from below”: that is, demanding so many workers’ rights inside the industries designated for privatisation that it becomes impossible; or implementing the minimum wage through wildcat strikes.
  • (20) It was impossible to trace the axons originating in the NLT, since the cyto- and axoplasm could not be stained specifically.

Improbable


Definition:

  • (a.) Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable story or event.

Example Sentences:

  • (1) Schneiderlin, valued at an improbable £27m, and the currently injured Jay Rodriguez are wanted by their former manager Mauricio Pochettino at Spurs, but the chairman Ralph Krueger has apparently called a halt to any more outgoings, saying: “They are part of the core that we have decided to keep at Southampton.” He added: “Jay Rodriguez and Morgan Schneiderlin are not for sale and they will be a part of our club as we enter the new season.” The new manager Ronald Koeman has begun rebuilding by bringing in Dusan Tadic and Graziano Pellè from the Dutch league and Krueger said: “We will have players coming in, we will make transfers to strengthen the squad.
  • (2) He admitted that he had “no reason” to fire the shots that killed Steenkamp, as Nel told him: “Your version is so improbable, that nobody would ever think it’s reasonably, possibly true, it’s so impossible … Your version is a lie.” Nel said the phrase “I love you” appeared only twice in WhatsApp messages from Steenkamp and, on both occasions, they were written to her mother: “Never to you and you never to her.” Day 20: live coverage as it happened.
  • (3) Their behavior may be rationalized by assuming that at low concentrations they bind to the primary binding site making rebinding of once dissociated [3H]QNB molecules improbable (competitive mechanism), whereas at high concentrations they also act on a secondary (allosteric) binding site stabilizing the [3H]QNB receptor complexes by slowing their off-kinetics.
  • (4) As for the speaker in parliament Thura Shwe Mann, a former general, he has formed an improbable alliance with Aung San Suu Kyi, on the assumption that she might help him thwart the plans of his former cronies.
  • (5) He is helped by constituency boundaries that skew the pitch in Labour’s favour, but even then the leap required looks improbable.
  • (6) It is improbable that the platform-pendulum controversy is due to differences in the amount of PS deprivation or the other sleep parameters measured here.
  • (7) Comparison of the upstream regions of the SAA genes with those of the rat fibrinogen genes, whose expression is also induced by inflammation, reveals sequences common to all six genes which are very improbable on a random basis.
  • (8) No positive reactions occurred in either of the tests so that phototoxic effects can be excluded and a photoallergic potential is improbable.
  • (9) It said those concerned were "not shouting it from the rooftops" but "sheltering their holdings behind increasingly improbably names".
  • (10) This finding in conjunction with the observation that the generation of (Phe, G)- and Pro--L-specific responses were associated in individual recipients injected with limiting inocula of thymocytes indicated that a single population of thymocytes was stimulated by (Phe,G)-Pro--L. Therefore, it is improbable that the thymic population of immunocompetent cells contributes to expression of these genetically controlled defects.
  • (11) (viii) It is highly improbable that within the last few years two viruses (HIV-1 and HIV-2) that are only 40% sequence-related would have evolved that could both cause the newly defined syndrome AIDS.
  • (12) The chromosome abnormalities were so severe that it is highly improbable that mitosis led to successful nuclear multiplication within a given syncytium.
  • (13) The Argentinian's equaliser was also hit from an improbable angle but it was a much more presentable chance than his first-half efforts – City's passing move had been direct, featuring two consecutive forward passes with Nasri playing a wonderful assist, and City had cut through the Chelsea defence swiftly.
  • (14) Jackson, too, wears black shoes and black clothes, and, improbably for his age, has mostly black hair.
  • (15) They could have scored more had they needed to but began to play overambitious passes and attempt improbable shots.
  • (16) So it didn't matter how unlike Miliband Wallace was, as long as they shared the attribute of seeming an improbable sort to be prime minister.
  • (17) Its perception of the improbability of living states is at least partially an artifact of closed system thinking.
  • (18) Typical arrangements of the EEG-context which make improbable an assumption of a structural lesion can be demonstrated for certain anterior-left as well as posterior-right localized patterns.
  • (19) The narrative drivers are pretty slack – improbable dialogue ("I'm a very wealthy man, Miss Steele, and I have expensive and absorbing hobbies"); lame characterisation; irritating tics (a constant war between Steele's "subconscious", which is always fainting or putting on half-moon glasses, and her "inner goddess", who is forever pouting and stamping); and an internal monologue that goes like this … "Holy hell, he's hot!
  • (20) It therefore seems improbable that a definitive decision concerning the use of one or another of these agents can be made.