Definition of stimulant in US English:

stimulant

noun

  • 1A substance that raises levels of physiological or nervous activity in the body.

    • ‘Unless contraindicated, prophylaxis with a gastrointestinal motility stimulant laxative and a stool softener is appropriate in terminally ill patients who are being given opioids.’
    • ‘Amphetamines, like cocaine, are psychomotor stimulants, previously used primarily by those involved in sports and entertainment to enhance performance.’
    • ‘I used to compound it in a 20 mg/ml solution to be used as a respiratory stimulant for premature babies.’
    • ‘In the MTA study, children were given bupropion or haloperidol if stimulants proved ineffective.’
    • ‘The medicines investigated include antidepressants, stimulants, antipsychotics, benzodiazepines and other anxiolytics.’
    • ‘It is also a central nervous system stimulant, which can aid in activities that require concentration.’
    • ‘The medications most often implicated in prescription drug abuse are opioid analgesics, sedative-hypnotics and stimulants.’
    • ‘It also acted as a stimulant, a sedative, an appetite suppressant, and fed smokers' addictions.’
    • ‘One could argue that I might have just got people who didn't respond very well to the stimulant medication and so the stimulant wasn't actually having that bonus effect that you might have predicted.’
    • ‘Research published in the Archives of Disease in Childhood, showed a increase in the use of antidepressants and stimulants in all of the countries included in the study.’
    • ‘Some prescribing issues surround the use of controlled substances such as stimulants.’
    • ‘To maximize the chance of extubation to nCPAP we chose to use a combination of surfactant and caffeine as a respiratory stimulant to enable preterm neonates to be maintained on nCPAP.’
    • ‘It's never a good sign when someone's taking sedatives and stimulants at the same time.’
    • ‘If MDMA is to be scheduled, it properly belongs on Schedule III - along with substances like steroids and stimulants.’
    • ‘The stimulants methylphenidate and dextroamphetamine remain the pharmacologic agents of first choice for the management of ADHD.’
    • ‘If bupropion is not a stimulant why does GlaxoWellcome's product monograph list insomnia as its commonest side effect (occurring in just under half of patients)?’
    • ‘Some of these medicines, like stimulants and antidepressants, were first developed for other health problems.’
    • ‘Alternatively, antispasmodic drugs and motility stimulants may be prescribed.’
    • ‘Some commonly used medications include antidepressants, anti-psychotics and stimulants.’
    • ‘However, physician assistants are not authorized to prescribe Schedule II substances listed as stimulants or depressants in Iowa.’
    tonic, restorative, reviver, energizer, refresher
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    1. 1.1 Something that increases activity, interest, or enthusiasm in a specified field.
      ‘population growth is a major stimulant to industrial development’
      • ‘His determination to promote Bradford is a stimulant.’
      • ‘WIT is the anchor and stimulant for thinking and development in the region.’
      • ‘More credit is not an antidote but instead a potent stimulant for Financial Fragility.’
      • ‘The proposed new European league, in which Celtic and Rangers are the prime movers, will not just put the his club on a level commercial footing with the major Italian and English ones, but will also be a major stimulant to the Scottish game.’
      • ‘On the contrary, they act as stimulants, inducing in their adherents a desire to effect a dramatic change in their circumstances.’
      • ‘This isn't surprising as low interest rates are proving an inadequate stimulant to get European economies moving again.’
      • ‘Major international companies, however, remain a major stimulant to Paisley and Renfrewshire and the export effort.’
      • ‘Much more than a resource economy, services industries are the main stimulant of economic activity and make up almost 80 per cent of GDP.’
      • ‘Angola's post-civil war economic and political stability since 2002 is a stimulant for increasing trade and investment.’
      • ‘It is the trustees' vision that this prize will become a major stimulant to the inventiveness of the young people of Europe by giving early recognition and encouragement to the Alfred Nobels of the 21st century.’
      • ‘The brink of disaster can be a mighty potent stimulant for forcing a company to save itself.’
      • ‘A major growth stimulant over the review period was increased consumer demand for food products requiring minimal preparation.’
      • ‘Like railroads, gaslights were instrumental stimulants for industrial growth.’
      stimulus, incentive, encouragement, impetus, inducement, fillip, boost, spur, prompt, prod, jog
      View synonyms

adjective

  • Raising levels of physiological or nervous activity in the body.

    ‘caffeine has stimulant effects on the heart’
    • ‘Psychostimulants include a diverse class of drugs exhibiting central nervous system stimulant properties, and have a high abuse potential.’
    • ‘These risks are due to a combination of the drug's stimulant effect that allows the user to dance for long periods of time in the hot and crowded environment of rave parties.’
    • ‘Researchers may be far from understanding the long-term effects of stimulant drugs like methamphetamine on the brain.’
    • ‘Past year stimulant use, number of past year illicit drugs used, and past year drunkenness were examined as covariates for past year IDU.’
    • ‘This bill redefines ‘stimulant’ to include dietary ingredients that have a stimulant effect on the cardiovascular or central nervous system of a human being.’
    • ‘We assume that the present findings may be due to a secondary effect of stimulant drug treatment.’
    • ‘She, like any parent, wanted to find out whether what her child was taking was really working, because there are side effects of taking stimulant medications.’
    • ‘These medications preserve the anorectic effects of amphetamines with weaker stimulant activity and little abuse potential.’
    • ‘Because of lack of efficacy or the emergence of adverse effects, stimulant therapy is unsuccessful in 25 to 30 percent of children.’
    • ‘Surprisingly, 70% of stimulant users used at least four classes of illicit drugs in their lifetime.’
    • ‘While initial insomnia can be a side effect of stimulant medication, it is also a common complaint of adults with untreated ADHD.’
    • ‘These findings suggest that many stimulant users discontinued their drug use as they aged.’
    • ‘A decongestant spray may cause more congestion in some people, and over-the-counter sprays may have stimulant side effects.’
    • ‘Some children are prescribed stimulant medicines for decades, even after they grow up.’
    • ‘Elevating plasma cortisol levels, either by exogenous administration or stress, facilitates the acquisition of stimulant administration in preclinical rodent models.’
    • ‘This molecule is the most potent chemotactic agent for monocytes, lymphocytes, neutrophils, and fibroblasts and has a significant stimulant effect on the formation of granulation tissue.’
    • ‘For example, a patient taking neuroleptics who relapses to stimulant medications is at risk of hyperpyrexia.’
    • ‘This drug reduces stimulant craving and withdrawal symptoms.’
    • ‘There do not appear to be any adverse long-term behavioral effects resulting from chronic stimulant use.’
    • ‘Because of its ease of manufacture and ready availability, methamphetamine has become the sympathomimetic amine of choice among stimulant abusers.’

Origin

Early 18th century: from Latin stimulant- ‘urging, goading’, from the verb stimulare.

Pronunciation

stimulant

/ˈstimyələnt//ˈstɪmjələnt/