What's the difference between lack and lackluster?

Lack


Definition:

  • (n.) Blame; cause of blame; fault; crime; offense.
  • (n.) Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
  • (v. t.) To blame; to find fault with.
  • (v. t.) To be without or destitute of; to want; to need.
  • (v. i.) To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
  • (v. i.) To be in want.
  • (interj.) Exclamation of regret or surprise.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) tRNA from mutant IB13 lacks 5-methylaminomethyl-2-thio-uridine in vivo due to a permanently nonfunctional methyltransferase.
  • (3) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (4) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
  • (5) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
  • (6) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (7) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
  • (8) Since it was established, it has stoked controversy about contemporary art, though in recent years it has been more notable for its lack of sensationalism.
  • (9) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
  • (10) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
  • (11) I would immediately look askance at anyone who lacks the last and possesses the first.
  • (12) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
  • (13) Core enzyme, lacking omega subunit, catalyzed this reaction at a rate less than 1% that of holoenzyme.
  • (14) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (15) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (16) Thus the failure to raise anti-Id with internal image characteristics may provide an explanation for the lack of anti-gp120 activity reported in anti-Id antisera raised to multiple anti-CD4 antibodies.
  • (17) His walkout reportedly meant his fellow foreign affairs select committee members could not vote since they lacked a quorum.
  • (18) In South Africa, health risks associated with exposure to toxic waste sites need to be viewed in the context of current community health concerns, competing causes of disease and ill-health, and the relative lack of knowledge about environmental contamination and associated health effects.
  • (19) The functional capacity to present antigens to T cells was lacking in normal resting B cells, but was acquired following LK treatment.
  • (20) These findings indicate an association between HLA-B7 and ankylosing spondylitis in American blacks and suggest that these patients who lack B27 but possess B7 represent a subgroup of patients with this disease.

Lackluster


Definition:

  • (n.) Alt. of Lacklustre

Example Sentences:

  • (1) A group of economists told the Wall Street Journal that is exactly what is happening : They blame our lackluster recovery this year on a pullback in spending and investment by US companies, which are afraid that the fallout from a fiscal cliff could compromise their ability to find funding or function normally.
  • (2) But leaders in both parties warned that a prolonged shutdown, and an associated decline in economic activity, could damage the lackluster economic recovery.
  • (3) Paraguay defeated Jamaica 1-0 Tuesday in a lackluster Group B match at the Copa América , giving the South Americans four points from their first two matches.
  • (4) Thank goodness for Kyrie Irving because without him this would have been one of the more lackluster All-Star Weekends in recent memory.
  • (5) The NSL rollback may have been the most sweeping recommendation made by the otherwise lackluster “review group”.
  • (6) An expert on the job markets, Yellen has been a staunch ally of Bernanke as he has tried to use low interest rates and QE to reanimate the US’s still-lackluster job market.
  • (7) Despite their lackluster results this year, GOP Super Pacs have far out-raised their Democratic counterparts, according to the nonpartisan Center for Responsive Politics.
  • (8) Even as he faces a major new crisis and weeks of bad news to overcome – a lackluster GOP convention; deeply negative views of his handling of the attack in Libya; dissension in the campaign ranks – Romney is maintaining a remarkably light campaign schedule, York writes : He had one public appearance on his schedule Monday, Sept. 17, a speech to the Hispanic Chamber of Commerce in Los Angeles.
  • (9) Many of the production numbers were lackluster (an ecstatic duet between Jesse Mueller and Carole King excepted), though the dancing was of a very high order.
  • (10) However, lackluster consumer spending and inflation data on Monday curbed investor bets on when the next rate rise will be.
  • (11) Saturday Night Live: a lackluster episode as show comes to terms with Trump Read more When someone fits the bill, the show will bring that person back often, and Emma Stone seems poised to becoming a regular.
  • (12) Adding to his problems, Pryor's approval ratings are lackluster.
  • (13) While the media hysteria over Obama's lackluster performance is overstated, this strategy was a big political mistake.
  • (14) The answer is not for Obama to be aggressive as a means of over-compensating for his lackluster performance in Denver (a la Al Gore in 2000) but rather keep things as simple as possible.
  • (15) The president's overall job performance is similarly lackluster , with 43% approving, and 52 % disapproving.
  • (16) The lackluster start to the week comes as America's fragile economic recovery faces another crucial test as major US firms report their first-quarter earnings.
  • (17) 12.29am BST Half time thoughts Well that was perhaps predictably lackluster from the USA, with only the slightly anxious contribution of Johannsson standing out, as he showed neat touches to make a couple of half chances only for nerves to apparently get the better of him.
  • (18) Normally by the 82nd game of the regular season, the post-season seedings are set and the starters are resting in preparation for the playoffs, with fan support lackluster if they even show up at all.
  • (19) The Federal Reserve should keep in mind the lackluster growth we’ve seen throughout 2015 and continue to let the economy recover,” said Elise Gould , senior economist at the left-leaning Economic Policy Institute.
  • (20) A number of donors to Jeb Bush’s campaign were reportedly jittery about sticking by him even before Wednesday’s lackluster performance in the Republican debate , but in the fierce competition among GOP presidential candidates to win seven- or eight-figure checks from multibillionaire businessman Sheldon Adelson, Marco Rubio has already emerged as the frontrunner, the Guardian can reveal.