What's the difference between obsolete and useless?

Obsolete


Definition:

  • (a.) No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; -- applied chiefly to words, writings, or observances.
  • (a.) Not very distinct; obscure; rudimental; imperfectly developed; abortive.
  • (v. i.) To become obsolete; to go out of use.

Example Sentences:

  • (1) Individual tests and batteries of tests should be standardized, employ positive controls, generate results capable of quantitative analyses that may make dichotomous classification as "positive" and "negative" obsolete, be interpreted in light of mechanisms of action, and be cost-effective on a grand scale.
  • (2) This study suggests that pneumoencephalography may be obsolete and that the diagnosis of olivopontocerebellar degeneration may be established by abnormalities seen during computerized tomography (CT) and by abnormal responses to auditory-evoked potentials (AEPs).
  • (3) Genomic mapping is proceeding at such a rapid pace that any printed version of the anatomy of the human genome is immediately obsolete.
  • (4) Handheld computers may make bedside terminals obsolete.
  • (5) The ambulatory 24 hour pH test may have rendered the AP test obsolete in the assessment of GORD as the cause of NCCP.
  • (6) Rather than becoming obsolete by 2030, as its designers thought, the barrier will not need to be replaced until 2070, the agency said today.
  • (7) Will Netflix make traditional TV channels obsolete?
  • (8) Ratified in 1980, the document is widely seen as obsolete and part of what she hopes to change with her "democratic revolution" – a plan she says could be financed by higher corporation taxes and which works within the boundaries of a constitutional democracy.
  • (9) The advent of high-resolution contrast CT will probably make obsolete the use of contrast media.
  • (10) The time needed to review and publish an article or a book dictates that by the time it is published, any statements about current hardware will be obsolete.
  • (11) The term "fibrositis" for generalized tendomyopathia that can still be found in Anglo-American literature is obsolete.
  • (12) In all other patients the PAVS is a very valuable instrument in the surgical management of hydrocephalus because it makes shunt revisions for inadequate valve pressure obsolete in individual patients.
  • (13) The secondary nasal skin envelope asymmetries were studied after unilateral cleft lip repair using the original (obsolete) rotation-advancement (Millard I) and the triangular flap techniques (Bardach's modification).
  • (14) Gradually these young men and their would-be families become functionally obsolete in society.
  • (15) Finally, it is imperative that the obsolete Nigerian Children and Young Person's Law be updated.
  • (16) I do not accept that the great achievements of the left – unionisation, social security – are obsolete.
  • (17) Some daggers have already been drawn – François Rebsamen , said the revelations showed the entire idea of "première dame", was obsolete, adding that scrapping of the office of the first lady would be progress for democracy.
  • (18) Here we describe a new method of synthesizing an immunogenic peptide antigen, referred to as multiple antigenic peptide (MAP), which may render the need for a carrier protein obsolete.
  • (19) The TRH stimulation test is virtually obsolete for the diagnosis of thyrotoxicosis but remains of much interest in the investigation of psychiatric syndromes.
  • (20) It should be kept in mind that recent changes in OC formulations and use patterns render epidemiologic data now available obsolete.

Useless


Definition:

  • (a.) Having, or being of, no use; unserviceable; producing no good end; answering no valuable purpose; not advancing the end proposed; unprofitable; ineffectual; as, a useless garment; useless pity.

Example Sentences:

  • (1) Theoretical findings on sterilization and disinfection measures are useless for the dental practice if their efficiency is put into question due to insufficient consideration of the special conditions of dental treatment.
  • (2) It’s useless if we try and fight with them through force, so we try and fight with them through humour.” “There is a saying that laughing is the best form of medicine.
  • (3) It also seems to be a bit useless as a way of gathering intelligence.
  • (4) It is concluded that the femoral stem should be as thick as possible and that the collar of the prosthesis is useless.
  • (5) The clorus water disinfecting conventional methods by many reasons are useless, even in urbanized cities.
  • (6) By now seemingly every print and online outlet has had a crack at explaining why the Sunday shows are so phenomenally useless.
  • (7) He added: "Why on earth is this useless Goverment pandering to Puffs?
  • (8) It’s great that the new Star Wars film is more diverse , with John Boyega and Daisy Ridley in significant roles; I am pleased to see everyone on #BoycottStarWarsVII gnash and whine uselessly.
  • (9) Inappropriate, useless and potentially harmful surgical diagnostic procedures are also avoided.
  • (10) However, under normal working conditions, taking into account the period of time which inevitably elapses between the patient feeling pain in the kidney and his reaching the Emergency Department and the necessary examinations being carried out which enable the correct diagnosis to be made, the number of hours which have passed make attempts at conservative surgery completely useless.
  • (11) However one should not ask for the impossible of the treatment of male infertility since the most optimal seminal analysis result is useless in the presence of a monophysic menstrual cycle in the partner.
  • (12) The endoscopic retrograde cholangiography is of greatest practical significance for the differential diagnosis of the cholestatic icterus: non-obstructed bile ducts exclude an extrahepatic icterus and render a laparotomy useless.
  • (13) If you have a regulator behaving this uselessly, I suspect MPs will start saying this is not regulation," he said.
  • (14) The importance of a diagnosis before surgery by cytopunction and drill-biopsy has to be emphasized, to prevent an useless mastectomy.
  • (15) In conclusion, excepted for pituitary deficiency, basal plasma TSH (IRMA) levels are accurate and sufficient in the evaluation of the thyroid function and make the TRH-test useless.
  • (16) (4) The annual vaccination campaigns since 1970 against FMD were useless because most of the primary outbreaks of FMD since then can be traced to the production or the application of vaccines.
  • (17) A hepatic lesion regarded as useless for the ultimate diagnosis was present in 16 cases (14.5 per cent).
  • (18) Talking this week to several, I heard the same story of exorbitant fees and shocking interest rates throttling real production, while Adair Turner's "socially useless" financial products attract limitless bubble credit.
  • (19) Clinical evaluation and laboratory tests are useless.
  • (20) The Chinese government is depicted as benevolent, while the US government manages to be both sinister and useless – typified by the black-clad CIA operatives, one of whom gets beaten up by a Chinese character.