What's the difference between naivety and optimism?

Naivety


Definition:

  • (n.) Naivete.

Example Sentences:

  • (1) The home team's defence had been undermined by naivety and it was in evidence when Stepanov, already on a yellow card for a foul on McGeady and having been played into trouble, lunged for the ball only to be beaten to it by Keane.
  • (2) Haki's naivety about English detective fiction is more than matched by Latimer's ingenuous excitement as Haki describes to him Dimitrios's sordid career, and he decides it would be fun to write the gangster's biography.
  • (3) The record after his release suggests there was a certain naivety about Mandela, born of tutored ignorance, the product of imprisonment and deliberate isolation.
  • (4) Some will look back at that age and see either misguided paternalism or rank naivety.
  • (5) The media tycoon’s views appear to have moved on since March this year, when he lamented the surgeon’s political naivety: Rupert Murdoch (@rupertmurdoch) Read 2 bks by famous neurosurgeon Ben Carson, running for president.
  • (6) And yes, I realise I should probably have known this before I signed up, but youthful naivety meant I jumped straight in.
  • (7) He had revealed a naivety in failing to foresee how the prime minister might wield the veto in the late-night talks in Brussels.
  • (8) But, in their feminine naivety, they fail to realise that their comeuppance is on its way, their freedoms snatched by the invasion of the genuine oppressor.
  • (9) Clegg chirrups with incredible naivety, given Sats, league tables and Ofsted inspections and the already quantified 20% of children with special needs, that this is not "a sort of name-and-shame table".
  • (10) Deep down, I believe the character really has bumbled her way through a mafia career, using her naivety as protection.
  • (11) Quite apart from its apparent naivety, this is Blond all over: pushing beyond two entrenched positions, finding a third, and sounding simultaneously conservative and radical, albeit in a slightly self-conscious way.
  • (12) Part of the attraction of No Logo is Klein’s frank admission of the naivety of her quest.
  • (13) As Glastonbury virgins, they treated the world's biggest festival with the same nonchalant naivety with which they'd conducted their entire career, and with the added issues of an enormous crowd and 2007's ultra-sensitive perimeter sound limiters, it made for a distant and underwhelming experience.
  • (14) I saw no staff around to confirm whether this was the right train – and, in my naivety, I presumed my train may have been delayed leaving – as it was only eight minutes, after all.
  • (15) There's a You Got The Look with power chords chiselled out of funk licks; a How Come U Don't Call Me Anymore performed solo at the piano with all of its devastating naivety.
  • (16) Ruben Loftus-Cheek discovered that much when his bright attacking display was checked at the break with the manager citing naivety out of possession as reason enough to prompt his replacement.
  • (17) Where opponents speak of naivety, an inevitable collision with the powers that be, the Marxists speak of an historic opportunity to eradicate the politics of austerity both in and beyond Greece.
  • (18) The second definition highlights followers of a certain hipster culture, which revels in a childlike naivety; the films of Wes Anderson , the early books of Dave Eggers , and the twee indie pop of Belle and Sebastian are all mentioned.
  • (19) Maybe I can call this naivety, but I think that the right thing – truth, honour, justice – always prevails in the end,” says Masood.
  • (20) The naivety of claiming that lobbying and influencing cannot benefit students is wrong and dangerously misguided.

Optimism


Definition:

  • (n.) The opinion or doctrine that everything in nature, being the work of God, is ordered for the best, or that the ordering of things in the universe is such as to produce the highest good.
  • (n.) A disposition to take the most hopeful view; -- opposed to pessimism.

Example Sentences:

  • (1) The optimal size for stimulation was between 5 degrees and 12 degrees (visual angle).
  • (2) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
  • (3) More research and a national policy to provide optimal nutrition for all pregnant women, including the adolescent, are needed.
  • (4) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (5) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
  • (6) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
  • (7) This optimization resulted in products which are now studied in-vivo.
  • (8) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
  • (9) In general, optimal DAGAT activity in vitro was observed when long-chain unsaturated acyl-CoAs and diacylglycerols (DAGs) containing long acyl chains were used as substrates for in vitro TAG synthesis (although 1,2-didecanoin was also very effective).
  • (10) In conclusion, autoimmune thyroiditis in an animal model can be prevented by reducing thyroidal iodine or its metabolism and optimal effects require intervention at the embryonic stage.
  • (11) Research must continue to determine the optimal regimen that suppresses testosterone activity with the least amount of toxicity.
  • (12) We present the analysis both formally and in geometric terms and show how it leads to a general algorithm for the optimization of NMR excitation schemes.
  • (13) The effect of exclusion versus inclusion of the fiducial timing point optimizing routine in the signal averaging program was examined in 21 patients.
  • (14) The nurse is in an optimal position to plan and deliver a program and determine its effectiveness.
  • (15) elution patterns of the adducts formed by DBF metabolites with DNA and obtained in vivo at the optimal exposure time of 42-48 h were qualitatively very similar to the patterns obtained in vitro, but their amplitude was quantitatively reduced.
  • (16) Incubation of the blocked filters with radiolabeled DNA under optimal binding conditions and subsequent autoradiography reveals high-affinity DNA-protein interactions.
  • (17) A technique is therefore described using 3-D images and reconstruction of high-resolution films, which allows rapid examination of the menisci in optimal planes.
  • (18) The data of first 1000 first-born, non-malformed, mature (greater than or equal to 2500 g) offspring of participants in the Hungarian "Optimal" Family Planning Programme were evaluated.
  • (19) Molecular mass of the native enzyme is 560,000 and optimal reaction temperature is 70 degrees C. Km value for ribulose 1,5-bisphosphate is 0.27 mM.
  • (20) Optimal yields of 7-ketolithocholic acid and 7-ketodeoxycholic acid were obtained after 78 h of incubation.