Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun downer

1 sense of downer

Sense 1
sedative, sedative drug, depressant, downer -- (a drug that reduces excitability and calms a person)
       => medicine, medication, medicament, medicinal drug -- ((medicine) something that treats or prevents or alleviates the symptoms of disease)
       => drug of abuse, street drug -- (a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction)