Definition of depressant in English:



  • (chiefly of a drug) reducing functional or nervous activity.

    • ‘Users often present with multiple drug ingestions, which may include stimulant and depressant drugs.’
    • ‘The interactions of carisoprodol with other CNS depressant drugs appears to be particularly significant.’
    • ‘LSD effects appear to be totally different from those produced by narcotics or other depressant drugs.’
    • ‘These data underscore the need for clinicians to search for problems with other depressant drugs and to take care before prescribing benzodiazepines in alcohol-dependent individuals.’
    • ‘It is also necessary to exclude reversible causes of failure of brain function, including depressant drugs and hypothermia.’
    tranquillizing, calming, depressant, soothing, calmative, relaxing, soporific
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  • 1A depressant drug.

    • ‘Phenothiazines, tricyclic antidepressants, and CNS depressants may potentiate the therapeutic and adverse effects of opioids.’
    • ‘Interactions with benzodiazepines, pentobarbital, and other central nervous system depressants can yield additional sedative effects.’
    • ‘Alcohol is a depressant, a powerful drug with mood-altering effects.’
    • ‘The report also suggests that the number of new users has been climbing since the mid-1980s, the largest increase occurring with the depressants oxycodone, methadone and morphine.’
    • ‘The drug is a depressant and will lead to lack of energy and general relaxation of the muscles.’
    sedative, tranquillizer, calmative, sleeping pill, soporific, opiate, hypnotic
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    1. 1.1 An influence that depresses economic activity.
      ‘higher taxation is a depressant’
      • ‘The independence wars' impact has generally been seen as a depressant on economic activity, resulting in a general stagnation that lasted until at least mid-century, with a few exceptions.’
      • ‘He argues that, despite the severe strain on population and economic growth caused by the slave trade, the economy continued to expand from the seventeenth to the nineteenth century, and the colonial state acted as an economic depressant rather than a stimulant.’
      • ‘The debate, in other words, boils down to whether or not the stimulus of increased government spending has a stronger effect on the economy in the short term than the depressant of higher interest rates.’