What's the difference between loosen and undo?

Loosen


Definition:

  • (v. t.) To make loose; to free from tightness, tension, firmness, or fixedness; to make less dense or compact; as, to loosen a string, or a knot; to loosen a rock in the earth.
  • (v. t.) To free from restraint; to set at liberty..
  • (v. t.) To remove costiveness from; to facilitate or increase the alvine discharges of.
  • (v. i.) To become loose; to become less tight, firm, or compact.

Example Sentences:

  • (1) There is a gradual loosening of the adolescent's emotional dependence on her parents and a transfer of dependency ties to peers.
  • (2) The torques, although not large enough to dislodge the socket immediately, are repetitive and so may contribute to loosening.
  • (3) Femoral endosteal bone loss has been shown to be part of the natural aging process and may be a factor in femoral component loosening following total hip arthroplasty (THA).
  • (4) Seventeen of these were due to infection or loosening of the prosthesis.
  • (5) Loosening of the sutures and keratitis were the main complications in the postoperative course.
  • (6) Electric birefringence studies suggest that methylation may result in both interparticle cross-linking and some localised loosening of the DNA-protein complex complex.
  • (7) Two tibial components (2%) were believed to be mechanically loose, but no revisions for mechanical loosening were done.
  • (8) An artificial joint that articulates with full fluid film lubrication could greatly reduce wear and frictional torque and hence reduce the incidence of loosening and inflammatory tissue reaction.
  • (9) Aseptic loosening is the most common mode of failure for total knee replacements.
  • (10) The criteria of failure of pedicular instrumentation or "death" of an implant were defined as 1) screw bending, 2) screw breakage, 3) infection, 4) loosening of implants, 5) any rod or plate hardware problems, or 6) removal of hardware due to a neurologic complication.
  • (11) In the areas of disorganized collagen fibres cervical fibroblasts seemed to be activated characterized by fine granular loosening of the cytoplasma, dilated cisternae of rough endoplasmatic reticulum, vacuolized enlarged mitochondria and an increased number of cytoplasmatic vesicles close to the cell surface.
  • (12) Loosening of the tightly folded "native" structure of the two proteins following their synthesis in a rabbit reticulocyte lysate was assayed by the acquisition of protease sensitivity (pODHFR and pOCAT) or by the loss of enzyme activity (pOCAT).
  • (13) We concluded that the acetabular component of the Wagner prosthesis is prone to early loosening and that the early loosening is potentiated by a foreign-body response to debris resulting from arthroplastic wear.
  • (14) I think that is where we will see the most immediate loosening up of restrictions,” Handjani said.
  • (15) The reduction in the rate of aseptic loosening of the socket in our series, compared with the higher rates reported in similar long-term studies in which other acetabular components were used, supports the conclusion that there is enhanced longevity of acetabular fixation when a metal-backed acetabular component is used in cemented total hip arthroplasty.
  • (16) The loosening of such interactions is believed to induce conformational changes, which will alter ion transport systems necessary to the propagation of neural impulses.
  • (17) Main changes of upper compartments were showed on the bilaminar zone, including disc perforation and anterior displacement and capsular loosening.
  • (18) Significant problems included abnormal posture in the wrist, roentgenographic evidence of loosening in the finger metacarpophalangeals, extensor lag in the metacarpophalangeal of the thumb, and lack of motion in the proximal interphalangeal joint of the finger.
  • (19) China's government and media have launched a broadside against Japan's move to loosen the bonds on its powerful military, casting it as a threat to Asian security.
  • (20) However, because loosening and sinking of the prosthesis were significant, a ceramic total prosthesis was designed in 1980 to be used without cement.

Undo


Definition:

  • (v. t.) To reverse, as what has been done; to annul; to bring to naught.
  • (v. t.) To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
  • (v. t.) To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like; as, many are undone by unavoidable losses, but more undo themselves by vices and dissipation, or by indolence.

Example Sentences:

  • (1) We cannot undo the damage it ha€™s done to our air quality,” she said.
  • (2) I am not a Muslim but I see that the cover has been read as yet more provocation, even an undoing of the unity of the marches in Paris and other cities.
  • (3) Amid public outcry over the Bettencourt case, Sarkozy is now likely to be forced into a U-turn before the next election, undoing his tax reforms.
  • (4) His interventions over the next week - first with the miners then with his former army colleagues as hundreds of thousands took to the streets of Belgrade - would prove his ex-master's undoing.
  • (5) He told the chair, Alexis Jay: “We will never be able to undo the wrongdoing to these children.
  • (6) But the role opened my eyes to certain aspects of online gaming, such as harassment, abuse, threats and even stalking, and in many ways, it is an unhappy experience that I wish I could undo.
  • (7) With three weeks left to election day, the onus is on Obama to mount a strong comeback in Tuesday's Long Island debate to undo some of the damage caused by his dismal showing in the first of the presidential debates in Denver a fortnight ago.
  • (8) Obama won praise from world leaders for his promises to undo George Bush's environmental record, but there is growing scepticism abroad that Democrats will be able to overcome opposition in Congress and pass legislation that would put America on a path to cutting its carbon emissions.
  • (9) Arab regional governments – and even Iran – have belatedly seen their own storm clouds of extremism, but there is tremendous work required to undo what has been done.
  • (10) All efforts to undo environmental protections put in place by Obama, he said, would face lengthy and compulsory processes of consultation and review, as well as the strongest possible legal challenges at every turn.
  • (11) President-elect Trump will be able to undo the programs and cast them into the dustbin of history with equal speed and ease.
  • (12) Against the top sides England will leak goals, and that will ultimately be our undoing.
  • (13) He is praised for responding to a chemical attack in Syria with airstrikes, for generally projecting strength in foreign policy, for undoing Obama-era regulations on the environment and business, for installing a conservative supreme court justice, for protecting American jobs, and for not letting people tell him what he can’t do.
  • (14) Now Google might be required to undo the changes – although Auke Haagsma, a lawyer advising the lobby group Icomp , which is critical of Google's policies, said that would be like trying to "unscramble the egg".
  • (15) The projected increase in 2016 would return poverty rates to their 2007 levels, undoing nearly a decade’s worth of gains,” the report stated.
  • (16) Labour cannot afford to undo the coalition's cuts in the next government and must expect to be unpopular, one of the party's most senior finance spokesmen will say on Friday.
  • (17) Jeremy’s main fault was his unfortunate choice of friends – notably Peter Bessell MP, who jointly and foolishly entered into the long-running payoff drama with Scott which was his undoing.
  • (18) It has helped cement Qatar’s international reach and legitimacy, yet ironically has now played a part in its undoing.
  • (19) The former Irish prime minister John Bruton says it would “undo much of the work of the peace process and create huge questions over borders and labour market access”.
  • (20) The author examines how these negative affects, the accompanying victim role, and oppositional defiance enable angry adolescents to defend against depression and loss, to demand nurturance from others, to protect their precarious inner autonomy, and to undo their humiliation and shame by vengeance and reversal.