What's the difference between keep and maintain?

Keep


Definition:

  • (v. t.) To care; to desire.
  • (v. t.) To hold; to restrain from departure or removal; not to let go of; to retain in one's power or possession; not to lose; to retain; to detain.
  • (v. t.) To cause to remain in a given situation or condition; to maintain unchanged; to hold or preserve in any state or tenor.
  • (v. t.) To have in custody; to have in some place for preservation; to take charge of.
  • (v. t.) To preserve from danger, harm, or loss; to guard.
  • (v. t.) To preserve from discovery or publicity; not to communicate, reveal, or betray, as a secret.
  • (v. t.) To attend upon; to have the care of; to tend.
  • (v. t.) To record transactions, accounts, or events in; as, to keep books, a journal, etc. ; also, to enter (as accounts, records, etc. ) in a book.
  • (v. t.) To maintain, as an establishment, institution, or the like; to conduct; to manage; as, to keep store.
  • (v. t.) To supply with necessaries of life; to entertain; as, to keep boarders.
  • (v. t.) To have in one's service; to have and maintain, as an assistant, a servant, a mistress, a horse, etc.
  • (v. t.) To have habitually in stock for sale.
  • (v. t.) To continue in, as a course or mode of action; not to intermit or fall from; to hold to; to maintain; as, to keep silence; to keep one's word; to keep possession.
  • (v. t.) To observe; to adhere to; to fulfill; not to swerve from or violate; to practice or perform, as duty; not to neglect; to be faithful to.
  • (v. t.) To confine one's self to; not to quit; to remain in; as, to keep one's house, room, bed, etc. ; hence, to haunt; to frequent.
  • (v. t.) To observe duty, as a festival, etc. ; to celebrate; to solemnize; as, to keep a feast.
  • (v. i.) To remain in any position or state; to continue; to abide; to stay; as, to keep at a distance; to keep aloft; to keep near; to keep in the house; to keep before or behind; to keep in favor; to keep out of company, or out reach.
  • (v. i.) To last; to endure; to remain unimpaired.
  • (v. i.) To reside for a time; to lodge; to dwell.
  • (v. i.) To take care; to be solicitous; to watch.
  • (v. i.) To be in session; as, school keeps to-day.
  • (n.) The act or office of keeping; custody; guard; care; heed; charge.
  • (n.) The state of being kept; hence, the resulting condition; case; as, to be in good keep.
  • (n.) The means or provisions by which one is kept; maintenance; support; as, the keep of a horse.
  • (n.) That which keeps or protects; a stronghold; a fortress; a castle; specifically, the strongest and securest part of a castle, often used as a place of residence by the lord of the castle, especially during a siege; the donjon. See Illust. of Castle.
  • (n.) That which is kept in charge; a charge.
  • (n.) A cap for retaining anything, as a journal box, in place.

Example Sentences:

  • (1) The bank tellers who saw their positions filled by male superiors took special pleasure in going to the bank and keeping them busy.
  • (2) Senator Bernie Sanders of Vermont, who is also seeking the Democratic presidential nomination, recently proposed a bill that would ease the financial burden of prescription drugs on elderly Americans by allowing Medicare, the national social health insurance program, to negotiate with the pharmaceutical companies to keep prices down.
  • (3) Schneiderlin, valued at an improbable £27m, and the currently injured Jay Rodriguez are wanted by their former manager Mauricio Pochettino at Spurs, but the chairman Ralph Krueger has apparently called a halt to any more outgoings, saying: “They are part of the core that we have decided to keep at Southampton.” He added: “Jay Rodriguez and Morgan Schneiderlin are not for sale and they will be a part of our club as we enter the new season.” The new manager Ronald Koeman has begun rebuilding by bringing in Dusan Tadic and Graziano Pellè from the Dutch league and Krueger said: “We will have players coming in, we will make transfers to strengthen the squad.
  • (4) Ryzhkov added: "I believe they want to keep him in prison for another three or four years at least, so he is not released until well after the next presidential elections in 2012."
  • (5) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
  • (6) Adding a layer of private pensions, it was thought, does not involve Government mechanisms and keeps the money in the private sector.
  • (7) Obamacare price hikes show that now is the time to be bold | Celine Gounder Read more No longer able to keep patients off their plans outright, insurers have resorted to other ways to discriminate and avoid paying for necessary treatments.
  • (8) Even if it were not the case that police use a variety of tricks to keep recorded crime figures low, this data would still represent an almost meaningless measure of the extent of crime in society, for the simple reason that a huge proportion of crimes (of almost all sorts) have always gone unreported.
  • (9) He’s been so consistent this season.” Barkley took the two late penalties because the regular taker, Romelu Lukaku, had been withdrawn at half-time with a back injury that is likely to keep the striker out of Saturday’s trip to Stoke City.
  • (10) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
  • (11) It was so difficult to keep a straight face when I was filming a sauna scene with Roy Barraclough, who played the mayor of Blackpool.
  • (12) A dozen peers hold ministerial positions and Westminster officials are expecting them to keep the paperwork to run the country flowing and the ministerial seats warm while their elected colleagues fight for votes.
  • (13) You can't spend more than you take in, and you can't keep doing it for ever and ever and ever.
  • (14) We need you, so keep us company for a while longer.
  • (15) Keeping calcium concentration constant in the medium (0.36 microM), ornithine transport was maximal at 5.0 microM L-arginine and decreased at higher concentrations of arginine.
  • (16) George Osborne said the 146,000 fall in joblessness marked "another step on the road to full employment" but Labour and the Trades Union Congress (TUC) seized on news that earnings were failing to keep pace with prices.
  • (17) A facility for keeping chickens free of Marek's disease (MD) was obtained by adopting a system of filtered air under positive pressure (FAPP) for ventilation, and by imposing restrictions on entrance of articles, materials and personnel.
  • (18) To a large extent, the failure has been a consequence of a cold war-style deadlock – Russia and Iran on one side, and the west and most of the Arab world on the other – over the fate of Bashar al-Assad , a negotiating gap kept open by force in the shape of massive Russian and Iranian military support to keep the Syrian regime in place.
  • (19) "So we do what we can to keep the red tide from drowning us.
  • (20) Just when Everton thought they might start 2014 by keeping Liverpool out of the Champions League positions, they came close to failing the wet Wednesday at Stoke test thanks to a goal from an Anfield loanee.

Maintain


Definition:

  • (v. t.) To hold or keep in any particular state or condition; to support; to sustain; to uphold; to keep up; not to suffer to fail or decline; as, to maintain a certain degree of heat in a furnace; to maintain a fence or a railroad; to maintain the digestive process or powers of the stomach; to maintain the fertility of soil; to maintain present reputation.
  • (v. t.) To keep possession of; to hold and defend; not to surrender or relinquish.
  • (v. t.) To continue; not to suffer to cease or fail.
  • (v. t.) To bear the expense of; to support; to keep up; to supply with what is needed.
  • (v. t.) To affirm; to support or defend by argument.

Example Sentences:

  • (1) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
  • (2) Despite their absence, photoreceptors maintained a normal rate of OS assembly.
  • (3) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (4) Nasotracheal intubation has been well established as a method for maintaining an artificial airway in children.
  • (5) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
  • (6) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
  • (7) While they may always be encumbered by censorship in a way that HBO is not, the success of darker storylines, antiheroes and the occasional snow zombie will not be lost in an entertainment industry desperate to maintain its share of the audience.
  • (8) Four patients died while maintained on PD; three deaths were due to complications of liver failure within the first 4 months of PD and the fourth was due to empyema after 4 years of PD.
  • (9) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
  • (10) Although temazepam was effective for maintaining sleep with short-term use, there was rapid development of tolerance for this effect with intermediate-term use.
  • (11) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
  • (12) For enrolled nurses an increase in "Intrinsic Job Satisfaction" was less well maintained and no differences were found over time on "Patient Focus".
  • (13) The birds were maintained at a constant temperature in, dim green light.
  • (14) The difference in the volume of diuresis was maintained after intravenous injection of 20 mg of frusemide.
  • (15) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
  • (16) As total pancreatectomy markedly reduces the pancreatic hormone level, leading to a mortal hypoglycaemia, we attempted to maintain plasma glucose within the normal range by constant I.V.
  • (17) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
  • (18) The return of NE to normal levels after one month is consistent with the observation that LH-lesioned rats are by one month postlesion no longer hypermetabolic, but display levels of heat production appropriate to the reduced body weight they then maintain.
  • (19) The UNTR rats were subjected to a continuous food restriction to maintain body weights equal to those of the TR rats.
  • (20) During periods of wet steam it was impossible to maintain consistent sterility of the mouse pellets even using a cycle of 126 degrees C for 60 minutes.