What's the difference between severe and tough?

Severe


Definition:

  • (superl.) Serious in feeeling or manner; sedate; grave; austere; not light, lively, or cheerful.
  • (superl.) Very strict in judgment, discipline, or government; harsh; not mild or indulgent; rigorous; as, severe criticism; severe punishment.
  • (superl.) Rigidly methodical, or adherent to rule or principle; exactly conformed to a standard; not allowing or employing unneccessary ornament, amplification, etc.; strict; -- said of style, argument, etc.
  • (superl.) Sharp; afflictive; distressing; violent; extreme; as, severe pain, anguish, fortune; severe cold.
  • (superl.) Difficult to be endured; exact; critical; rigorous; as, a severe test.

Example Sentences:

  • (1) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
  • (2) The newborn with critical AS typically presents with severe cardiac failure and the infant with moderate failure, whereas children may be asymptomatic.
  • (3) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
  • (4) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
  • (5) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (6) Collins said she asked Sullivan several questions, including who the women were.
  • (7) Single-case experimental designs are presented and discussed from several points of view: Historical antecedents, assessment of the dependent variable, internal and external validity and pre-experimental vs experimental single-case designs.
  • (8) During and after the infusion of 5HTP, none of the patients showed an increase in anxiety or depressive symptoms, despite the presence of severe side effects.
  • (9) Histological studies showed that the resulting pancreatitis was usually mild to moderate, being severe only in association with sepsis.
  • (10) An “out” vote would severely disrupt our lives, in an economic sense and a private sense.
  • (11) No consistent relationship could be found between the time interval from SAH to operation and the severity of vasospasm.
  • (12) Also we found that the lipid deposition in the glomeruli of patients with Alagille syndrome is related to an abnormal lipid metabolism, which is the consequence of severe cholestasis.
  • (13) Sixteen patients in whom schizophrenia was initially diagnosed and who were treated with fluphenazine enanthate or decanoate developed severe depression for a short period after the injection.
  • (14) Concentrations of several gastrointestinal hormonal peptides were measured in lymph from the cisterna chyli and in arterial plasma; in healthy, conscious pigs during ingestion of a meal.
  • (15) In addition to the changes associated with blood group A, we also found a decrease in sugar content, alterations in other antigens, and changes in the levels of several glycosyltransferases in cancerous tissues.
  • (16) Based on several previous studies, which demonstrated that sorbitol accumulation in human red blood cells (RBCs) was a function of ambient glucose concentrations, either in vitro or in vivo, our investigations were conducted to determine if RBC sorbitol accumulation would correlate with sorbitol accumulation in lens and nerve tissue of diabetic rats; the effect of sorbinil in reducing sorbitol levels in lens and nerve tissue of diabetic rats would be reflected by changes in RBC sorbitol; and sorbinil would reduce RBC sorbitol in diabetic man.
  • (17) The severity and site of hypertrophy is important in determining the clinical picture and the natural history of hypertrophic cardiomyopathy (HCM).
  • (18) After a discussion of the therapeutic relationship, several coping strategies which have been used successfully by many women are described and therapeutic applications are offered.
  • (19) To clarify the functional roles of His40, Glu58, and His92, we analyzed the consequences of several amino acid substitutions (His40Ala, His40Lys, His40Asp, Glu58Ala, Glu58Gln, and His92Gln) on the kinetics of GpC transesterification.
  • (20) Moreover, in DCVC-treated cells the mitochondria could not be stained with rhodamine-123, indicating severe mitochondrial damage and loss of membrane potential.

Tough


Definition:

  • (superl.) Having the quality of flexibility without brittleness; yielding to force without breaking; capable of resisting great strain; as, the ligaments of animals are remarkably tough.
  • (superl.) Not easily broken; able to endure hardship; firm; strong; as, tough sinews.
  • (superl.) Not easily separated; viscous; clammy; tenacious; as, tough phlegm.
  • (superl.) Stiff; rigid; not flexible; stubborn; as, a tough bow.
  • (superl.) Severe; violent; as, a tough storm.

Example Sentences:

  • (1) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
  • (2) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].
  • (3) A series of hierarchical multiple regressions revealed the effects of Surgency, Agreeableness, Conscientiousness, Emotional Stability, and Intellect on evoking upset in spouses through condescension (e.g., treating spouse as stupid or inferior), possessiveness (demanding too much time and attention), abuse (slapping spouse), unfaithfulness (having sex with others), inconsiderateness (leaving toilet seat up), moodiness (crying a lot), alcohol abuse (drinking too much alcohol), emotional constriction (hiding emotions to act tough), and self-centeredness (acting selfishly).
  • (4) A lfred Ekpenyong knows first hand how tough it can be to find a secure foothold in mainstream society after leaving prison.
  • (5) The texture of a food item can be distinguished in hardness, toughness, stickiness, juiciness and chewability.
  • (6) Even as the Obama administration moves to deal with some of Guantánamo's most notorious captives, it faces tough challenges to closing the facility.
  • (7) "It's a tough group but other groups are also tough.
  • (8) This allowed it to claim that it was becoming more professional, tough minded and responsible.
  • (9) The austerity programmes administered by western governments in the wake of the 2008 global financial crisis were, of course, intended as a remedy, a tough but necessary course of treatment to relieve the symptoms of debts and deficits and to cure recession.
  • (10) And he pleased the audience with an acknowledgement that social work is a tough job and social workers only human.
  • (11) Trade unions have sought to highlight the insecurity of workers who have been forced into self-employment in the tough jobs market of recent years.
  • (12) UK negotiatiors, though, fought back hard -- thus Cameron's fighting talk in his press conference ( see 12.46pm ) 12.49pm BST Open Europe tweets Cameron's tough talk on the rebate: Open Europe (@OpenEurope) Cameron: in Feb we reached a clear deal rebate would remain unchanged, since then some have tried to question this agreement June 28, 2013 Open Europe (@OpenEurope) Cameron: I defeated these attempts to change the rebate, it will remain unchanged for this long term budget June 28, 2013 12.46pm BST David Cameron press conference underway In Brussels, David Cameron is holding his press conference now.
  • (13) The mechanical properties of compressed beam specimens of microcrystalline cellulose (Avicel pH 101) have been assessed in terms of the tensile strength (sigma t), Young's modulus (E) and the following fracture mechanics parameters: the critical stress intensity factor (KIC), the critical strain energy release rate (GIC) and the fracture toughness (R).
  • (14) "2013 was a tough year for us both in minerals and in oil and gas," Cochrane said, adding that the group had relied on"self help", including diversification which offset some of the challenges in its core mining market, improving operational efficiency, and strong growth in its after sales business, where orders were up 16% on 2012 and which accounted for 63% of revenues last year.
  • (15) "We carved out a few chances, but it was tough to break them down."
  • (16) Channel 5 will be hoping for a similar return for its new series, although with the launch audience around a third down on last year's opener, it may prove a tough ask.
  • (17) Dimon, the charismatic leader of the bank, had enjoyed a reputation as a tough, strict taskmaster, the kind of CEO every bank should have.
  • (18) Cameron put all of his betting chips on what seemed to be the party's trump card: the "vote for us, we're tough on migration and tough on migrants" strategy.
  • (19) As well as limited terms for MPs, Grillo has called for a referendum on the euro and a tough line on immigration.
  • (20) "It's a tough game but our best football has come in this competition and we'll try and show it next week.