What's the difference between lack and thoughtless?

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.

Thoughtless


Definition:

  • (adv.) Lacking thought; careless; inconsiderate; rash; as, a thoughtless person, or act.
  • (adv.) Giddy; gay; dissipated.
  • (adv.) Deficient in reasoning power; stupid; dull.

Example Sentences:

  • (1) The few who enjoy themselves thoughtlessly, going against the green Glastonbury ethos , spoil it for the many.
  • (2) Maybe this is symptomatic of how the possibilities of social media have just made our friendships shallower, an economy of “likes” and thoughtless “adds”.
  • (3) The poor take up of hearing aids stems partly from the somewhat thoughtless and ill-informed public attitude to hearing impairment and partly from weaknesses in service provision.
  • (4) Moreover, are schoolchildren thoughtlessly taunting each other with slang such as: "That's just straight"?
  • (5) It is the England that then prime minister John Major vowed would never vanish in a famous 1993 speech: “Long shadows on county grounds, warm beer, invincible green suburbs, dog lovers and pools fillers and – as George Orwell said – ‘old maids bicycling to holy communion through the morning mist’.” Major was mining Orwell’s wartime essay The Lion and the Unicorn, whose tone was one of reassurance – the national culture will survive, despite everything: “The gentleness, the hypocrisy, the thoughtlessness, the reverence for law and the hatred of uniforms will remain, along with the suet puddings and the misty skies.” Orwell and Major were both asserting the strength of a national culture at times when Britishness – for both men basically Englishness – was felt to be under threat from outside dangers (war, integration into Europe).
  • (6) In excerpts of these videos I am shown making a series of glib, thoughtless and sometimes downright insulting comments”, Gruber told the committee.
  • (7) Of course, that does not make it OK. At best these were the thoughtless actions of immature young men.
  • (8) Bullying does happen, but often it's thoughtless rather than vindictive.
  • (9) The story in the US is about bad clinics doing awful things, of violence against providers, and of women who are ignorant, thoughtless and irresponsible.” Recruited as part of the first batch of legal abortion counsellors in Texas, Glenna joined Curtis at his first clinic, the Fairmount Center in Dallas, in 1974.
  • (10) It provides an extraordinary biophysical basis for traditional psychology, including trans-personal experiences down to the ultimate state of thoughtless consciousness.
  • (11) He was dismissed from his teaching post for thoughtlessly informing his boys that the universe was (contra Genesis) millions of years old.
  • (12) The anamnesis confirms the frequently thoughtless prescription of phenacetin-containing medicaments and emphasizes their sequelae.
  • (13) Thoughtlessly, I stood up, as I used to in Lahore when the national anthem was played, only to be greeted with a uniform chant from the row behind: "Sit down, you fascist!"
  • (14) Gras describes Cameron's proposal as "thoughtless", "probably suggested by [some spin doctor] probably came from some focus group", and that the British prime minister "didn't think through the consequences".
  • (15) Health experts and women's rights campaigners were also angered, saying he had thoughtlessly resurrected a highly sensitive debate that none of the main parties wants to reopen.
  • (16) "I am deeply sorry and greatly regret the upset and distress that my juvenile and thoughtless remarks on the Russell Brand show have caused," Ross said.
  • (17) The family is outraged that rather than comfort a sister coming to the aid of her dying brother, the officers instead manhandled and tackled her, cuffed her and thoughtlessly tossed her in the back of a patrol car.” Another lawyer for the family, Walter Madison, told NOMG: “This has to be the cruelest thing I’ve ever seen.” On 22 November the siblings were playing at a local park, Tamir with his replica handgun.
  • (18) He tells me to empty my mind of all thoughts, but this is easier said than done, and I start pondering the impossibility of thoughtlessness.
  • (19) These are not Luddites or fogeys, they are not enemies of business or of the new, but they share simple shock at the thoughtlessness with which change on this scale is happening.
  • (20) Instead of persisting with thoughtless pay caps and encouraging divisive bidding wars for a share of 1% the government should be engaging in a positive discussion about the setting of public sector pay,” said the FDA’s assistant general secretary, Naomi Cooke.