(a.) Not practicable; incapable of being performed, or accomplished by the means employed, or at command; impossible; as, an impracticable undertaking.
(a.) Not to be overcome, presuaded, or controlled by any reasonable method; unmanageable; intractable; not capable of being easily dealt with; -- used in a general sense, as applied to a person or thing that is difficult to control or get along with.
(a.) Incapable of being used or availed of; as, an impracticable road; an impracticable method.
Example Sentences:
(1) This mode of treatment remains appropriate for cases where antibiotics are ineffective and surgery impracticable.
(2) In cystic hydatid disease, whenever radical surgical procedures are impracticable, albendazole treatment can achieve significant clinical results.
(3) The transplantation may be replaced by implantation of a cardioverter if the former is impracticable or will be performed in future.
(4) The transplantation of organs between species (xenografting) has long been considered impracticable due to the immunological barriers allegedly induced by the antigenic disparity of distantly related species.
(5) One wonders what his defense minister Ehud Barak and the former Mossad chief Meir Dagan, and other Israeli leaders who disagree with him in his analysis of the urgency of the Iranian nuclear threat, think of his public commitment to such a fraught – that understates it – such a perilous and perhaps impracticable military operation.
(6) It is impracticable to reduce cadmium concentrations in sludge below certain levels.
(7) Simple insertion, rapid stabilization and reaction time less than 60 s allow use in the initial stages of cardiopulmonary resuscitation (CPR) where invasive monitoring is often impracticable.
(8) Sixty-three per cent regarded the boiling and filtration of portions of their domestic water as an additional burden, cumbersome and impracticable.
(9) When the primary site makes resection impracticable, the response to irradiation and chemotherapy is encouraging.
(10) Presenting the clinical data and regarding percutaneous paracentetic nephrostomy as an optimum technique for the clinical practice, the authors concluded UCS to be impracticable.
(11) Owing to the high incidence of side effects, treatment with more than 75 mg terodiline chloride per day is impracticable.
(12) Nevertheless, they are impracticable to perform and unsuitable for routine use in many individuals.
(13) In addition, volumetric determination of tumour size by means of region-of-interest technique proved to be rather impracticable in clinical routine compared to bidimensional measurement.
(14) Influenza vaccine is impracticable in most developing countries.
(15) This conventional system is impracticable for some laboratories that process enormous numbers of blood cultures and for these laboratories the infrared Bactec system is recommended.
(16) It is suggested that jejunal interposition should be kept for cases in which the particular shortness of the gastric stump makes simple re-insertion of the duodenum into the stomach impracticable.
(17) Derivatization with diazomethane instead of methanolic HCl turned out to be impracticable.
(18) Despite indirect evidence in support of this claim, the impracticability of monitoring oestrogen and progesterone levels in large numbers of women for prolonged periods of time has meant that no direct demonstration of the effect has been made.
(19) Similarly, a variety of other coating and attachment devices have proved to be unsatisfactory or impracticable for large scale investigations.
(20) The usual methods of choice, selective abdominal angiography and colonoscopy, may be impracticable or fail.
Impractical
Definition:
(a.) Not practical.
Example Sentences:
(1) A Health Ministry spokesman answers that the campaign has, in fact, stressed that use of condoms for "safe sex" does not provide complete protection but, since the only 100% sure protection, celibacy, is completely impractical, even partial protection is better than none.
(2) However, the slow CNS tissue uptake of vitamin E requires chronic dosing, making it an impractical agent for the treatment of acute neural injury.
(3) Computed tomographic scanning is an effective method of examining the pelvis but is time consuming and may be impractical in cases of severe injury.
(4) He has also declared that he will deport 11 million illegal immigrants, which opponents say is both heartless and impractical.
(5) Its merits are particularly obvious with multiparameter optimization where the gradient method, so far the only one employed in microbiology from a variety of optimization methods (e.g., refs, 9 and 10), becomes impractical because of the excessive number of experiments required.
(6) FK 506 is a superior immunosuppressive agent that should improve patient survival after the commonly performed transplant procedures, make feasible transplantations that have been previously impractical, allow immune intervention for serious autoimmune diseases, and create a better spin-off understanding of basic biologic processes including signal transduction.
(7) Current methods for determining plasma prekallikrein, one of three zymogens of the contact phase of plasma proteolysis, are laborious and impractical for general use in a clinical laboratory.
(8) It is impractical to compare all of these tests simultaneously on the same group of patients.
(9) The endotracheal tube remains the gold standard, although its universal use is impractical, while the EOA would appear to be an effective alternative and an important airway adjunct in the prehospital phase of CPR.
(10) CT is theoretically the most accurate method to assess contracture, but it is impractical because of expense and time requirements.
(11) Kenya has vowed to close the world’s biggest refugee camp within a year and send hundreds of thousands of Somalis back to their war-torn homeland or on to other countries, a plan decried by aid and human rights groups as dangerous, illegal and impractical.
(12) Britain and the US, both of which have strong financial sectors, have always been lukewarm about transaction taxes, arguing that they are impractical and will drive business offshore.
(13) Despite these favorable correlations, Doppler peak gradient generally overestimated catheterization peak-to-peak gradient (1 to 53 mm Hg), making it impractical for clinical use.
(14) The authors believe the ability to isolate and analyze acinar preparations from the rabbit lacrimal gland will facilitate various studies of acinar cell biochemistry and physiology that would be impractical with the relatively smaller amounts of material that can be obtained from rat or mouse exorbital lacrimal glands.
(15) Every modern government returned with a majority looks to take advantage of its first few months when the opposition is in disarray by ditching some impractical pledges (“taking out the trash” in the parlance of special advisers), pushing through unpopular measures, maybe adding some nasty ones, while seeking to establish a narrative that will cause their electoral rivals difficulties once they have finished mourning the poll win that never came.
(16) Although it is desirable that tests predict the presence of small tumours, the high requirements for sensitivity and specificity at current prevalence rates for lung cancer make this goal impractical.
(17) Although usable portal images can be acquired, presence of the large mirror renders the system impractical in many treatment geometries.
(18) It has a place in patients in whom endoscopic or radiological placement is impractical.
(19) The previously published procedure for calculation of rate constants associated with the death of microbial cells is shown to be so sensitive to variation in experimental data as to render it impractical for this application.
(20) Extensive overlap between male and female heart rates under normal and hypothermic conditions makes this technique an industrially impractical method for determining embryonic sex.