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stimulant Line breaks: stimu|lant
Pronunciation: /ˈstɪmjʊl(ə)nt/

Definition of stimulant in English:


1A substance that raises levels of physiological or nervous activity in the body: it is a stimulant that has a direct effect on the nervous system a scalp stimulant
More example sentences
  • Some commonly used medications include antidepressants, anti-psychotics and stimulants.
  • The medications most often implicated in prescription drug abuse are opioid analgesics, sedative-hypnotics and 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.
1.1Something that increases activity, interest, or enthusiasm in a specified field: population growth is a major stimulant to industrial development
More example sentences
  • 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.
  • 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.
  • Major international companies, however, remain a major stimulant to Paisley and Renfrewshire and the export effort.
provocation, goad, incitement
informal shot in the arm, kick up the backside


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Raising levels of physiological or nervous activity in the body: caffeine has stimulant effects on the heart
More example sentences
  • Researchers may be far from understanding the long-term effects of stimulant drugs like methamphetamine on the brain.
  • 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.
  • While initial insomnia can be a side effect of stimulant medication, it is also a common complaint of adults with untreated ADHD.


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

Words that rhyme with stimulant

flocculent • opulent

Definition of stimulant in:

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