What's the difference between backwards and obsolete?

Backwards


Definition:

  • (adv.) With the back in advance or foremost; as, to ride backward.
  • (adv.) Toward the back; toward the rear; as, to throw the arms backward.
  • (adv.) On the back, or with the back downward.
  • (adv.) Toward, or in, past time or events; ago.
  • (adv.) By way of reflection; reflexively.
  • (adv.) From a better to a worse state, as from honor to shame, from religion to sin.
  • (adv.) In a contrary or reverse manner, way, or direction; contrarily; as, to read backwards.

Example Sentences:

  • (1) This movement generates forward and backward shearing force in the stagnation region as the separated flow migrates back and forth.
  • (2) The estimated forward (k) and backward (1) rate constants are: 2.45 x I05 M-1 s- and 0.23 x 103 s-1, respectively, for k and I for the case when the drug is trapped by both activation and inactivation gates, and 3.58 x 105 M-l s-l and 4.15 x 10-3 S-l for the case when the drug is not trapped.
  • (3) On physical examination the patients complained of pain on both passive flexion and internal rotation of the hip, and when the thigh was pushed backwards at 90 degrees of flexion.
  • (4) The effects of maxillary protracting bow appliance were the maxillary forward movement associated with counter-clockwise rotation of the nasal floor and the mandibular backward movement associated with clockwise rotation.
  • (5) Treadmill acceleration impulses were backwards or forwards directed, or their direction was inverted after 30 ms. Backwards directed impulses were followed by gastrocnemius and forwards directed ones by tibialis anterior EMG responses (latency 65-75 ms) whose duration depended on impulse duration.
  • (6) For all my enthusiasm, my family must have felt we were taking a step backwards in lifestyle.
  • (7) The response was composed of an isometric phase, during which the body weight was shifted from the stimulated limb to the opposite forelimb while the stimulated limb was gently pushed backwards, and a movement phase during which the stimulated paw actually accomplished the placing reaction.
  • (8) They’ve actually gone backwards,” Cobbett said.
  • (9) Older subjects were found to be significantly more susceptible to the backward masking effect over longer delays between the target and masking stimuli.
  • (10) Those with unstable Dunlop test responses were much more likely to be backward or low normal readers than children with stable responses.
  • (11) The effects of interval duration as well as of repeated presentation of paired stimuli on backward connections show that these factors are of considerable importance for their formation.
  • (12) They need not tilt the head backwards during inhalation or hold their breath afterwards.
  • (13) Unsurprisingly, one of the three lonely references at the end of O'Reilly's essay is to a 2012 speech entitled " Regulation: Looking Backward, Looking Forward" by Cass Sunstein , the prominent American legal scholar who is the chief theorist of the nudging state.
  • (14) Results for the backward-counting condition duplicate, for the retention intervals used, the shape of the classic Peterson and Peterson forgetting curve but indicate little loss of memory in either the rehearsal or alpha conditions.
  • (15) But we won't be taking a backwards step, not this week, not this year, or next year or ever."
  • (16) Twenty-four male graduate volunteers were administered a battery of psychological tests--critical flicker fusion (CFF; alternate and simultaneous), reaction time (simple and choice), memory (forward and backward), and associative recall--to ascertain their performance capability during the different times of day.
  • (17) We implemented a parallel version of the backward error propagation neural network training algorithm in the widely portable parallel programming language C-Linda.
  • (18) The target patterns varied in the number of line segments that they contained and were presented in the presence or absence of a backward-masking stimulus.
  • (19) We self-censure because it would put us all back, it would diminish who we are.” Of course she’s a feminist: “That just means believing that women can do everything men can but backwards in heels with a cherry on top.
  • (20) Facebook Twitter Pinterest Britain needs to talk about the R-word: racism It is also a wakeup call to those who recognise racism only when it is played out like a scene from Django Unchained , those who think that racism has to be some vulgar incident perpetrated only by the backward, ignorant and poorly educated, those who believe that racism has to be an act, rather than a complicated and intangible framework that sets up obstacles.

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.