What's the difference between improve and perfect?

Improve


Definition:

  • (v. t.) To disprove or make void; to refute.
  • (v. t.) To disapprove; to find fault with; to reprove; to censure; as, to improve negligence.
  • (v. t.) To make better; to increase the value or good qualities of; to ameliorate by care or cultivation; as, to improve land.
  • (v. t.) To use or employ to good purpose; to make productive; to turn to profitable account; to utilize; as, to improve one's time; to improve his means.
  • (v. t.) To advance or increase by use; to augment or add to; -- said with reference to what is bad.
  • (v. i.) To grow better; to advance or make progress in what is desirable; to make or show improvement; as, to improve in health.
  • (v. i.) To advance or progress in bad qualities; to grow worse.
  • (v. i.) To increase; to be enhanced; to rise in value; as, the price of cotton improves.

Example Sentences:

  • (1) These data indicate a steady improvement in laboratory performance over the last 10 years.
  • (2) Use of the improved operative technique contributed to reduction in number of complications.
  • (3) With UVB treatment clinical improvement was achieved, and a less pronounced decrease in epidermal LC was noticed.
  • (4) This clinical improvement was also associated with a decrease of erythrocyte sedimentation rate (p less than 0.001), decrease of C-reactive protein (p less than 0.0001) and with improvement of anaemia (p less than 0.05).
  • (5) 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.
  • (6) Symptomatic improvement was obtained in 14 of the 15 hands, and sensory-evoked response improved in 13 hands.
  • (7) McDonald said cutting better deals with suppliers and improving efficiency as well as raising some prices had only partly offset the impact of sterling’s fall against the dollar.
  • (8) Systemic corticosteroids (i.e., prednisone, prednisolone or methylprednisolone) have improved the survival rate of patients with moderate and severe ulcerative colitis.
  • (9) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
  • (10) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
  • (11) Blood pressure control was marginally improved during the study and it is thought possible that better patient compliance might explain this.
  • (12) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
  • (13) Patients had improved sitting balance and endurance after surgery.
  • (14) However, further improvement of culture systems is needed for active replication of HBV in vitro.
  • (15) Symptoms, particularly colicky abdominal pain, improved during the period of chelation therapy.
  • (16) Her muscle weakness and hyperCKemia markedly improved by corticosteroid therapy, suggesting that the diagnosis was compatible with polymyositis (PM).
  • (17) An intact post-injury marriage was associated with improvement in education.
  • (18) A review is presented concerning the development of new neuroimaging techniques in the last decade which have improved the diagnostic exploration of patients with spinal cord injuries, including studies of possible sequelae.
  • (19) Akinetic symptoms were improved in 7 of 10 patients.
  • (20) What we’re doing is designed to improve people’s lives.” "I don't see race, colour or creed, and neither do my children," he added.

Perfect


Definition:

  • (a.) Brought to consummation or completeness; completed; not defective nor redundant; having all the properties or qualities requisite to its nature and kind; without flaw, fault, or blemish; without error; mature; whole; pure; sound; right; correct.
  • (a.) Well informed; certain; sure.
  • (a.) Hermaphrodite; having both stamens and pistils; -- said of flower.
  • (n.) The perfect tense, or a form in that tense.
  • (a.) To make perfect; to finish or complete, so as to leave nothing wanting; to give to anything all that is requisite to its nature and kind.

Example Sentences:

  • (1) In his interview, Smith accepts that the EA's response to the flooding has not been perfect.
  • (2) Selective catheterisation enabled opacification under pressure in more than 80 p. cent of cases, with perfect visualisation of the entire tubes and significant peritoneal passage.
  • (3) In fact the deep femoral artery represents an exceptional and privileged route for anastomosis that is capable of replacing almost perfectly an obstructed superficial femoral artery and also in a more limited way femoro-popliteal arteries with extensive obstructions.
  • (4) In 9 other patients studied 2-7 years after transplantation the mean level of parathormone was lower than in the previous group but levels above normal were noted in half of the patients, some of which had perfect renal function and normal serum phosphorus.
  • (5) "The new feminine ideal is of egg-smooth perfection from hairline to toes," she writes, describing the exquisite agony of having her fingers, arms, back, buttocks and nostrils waxed.
  • (6) as well as nauseatingly hipster titbits – "They came up with the perfect theme (and coined a new term!
  • (7) Also bear in mind that this request is just that, you are asking the club to place you on the transfer list, which they are perfectly entitled to reject.
  • (8) Diana of the sapphire eyes was rated more perfect than Botticelli's Venus and attracted Bryan Guinness, heir to the brewing fortune, as soon as she was out in society.
  • (9) The town's Castle Hill is the perfect climb for travellers with energy to burn off: at the top is a picnic spot with far-reaching views, and there is a small children's play area at its foot.
  • (10) However, a region containing pixels that are perfectly synchronous on average would still yield a finite distribution of calculated Fourier coefficients due to the propagation of stochastic pixel noise into the calculated values.
  • (11) I’m perfectly aware of the import of your question, and what we have done, very firmly for all sorts of good reasons, since September 2013, is not comment on operational matters because every time we comment on operational matters we give information to our enemies,” he said.
  • (12) The arrest warrant, which came into effect in 2004, was not perfect, but it was immediately useful, leading to the swift extradition of one of London’s would-be bombers in July 2005, Hussain Osman, from Italy, where he had fled.
  • (13) • Democratic senators were angry at what they saw as a House attempt to "torpedo" – Harry Reid's word – what they saw as a perfectly viable, bipartisan Senate agreement.
  • (14) Michael Grade told ITV staff today that it was the "perfect time" to hand over to a new chief executive, who would inherit a "revitalised" broadcaster.
  • (15) But I have heard from other people who have lost spouses in this way, and fathers and mothers, and anger is perfectly appropriate.
  • (16) In most cases the fingerprints of duplicates of the same cell line remained perfectly preserved even after long-time passaging.
  • (17) Incorporation of prosthodontics are expected to depend not only on technical perfection.
  • (18) That idea may seem irrelevant to those of us who live a broadband lifestyle, but Justin Smith – who tracks the company's movements on the Inside Facebook blog – says that it makes perfect sense.
  • (19) These late paintings were deemed too perfect, not "badly done" enough, perhaps, and unchallenging: there was in them a marked absence of painterly lavishness.
  • (20) Fifty percent of the amino acids are perfectly conserved in all these proteins as well as in two homologous sequences from the distantly related wolffish.