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

1 sense of depressant

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)

Antonyms of adj depressant

1 sense of depressant

Sense 1
depressant (vs. stimulative) -- (capable of depressing physiological or psychological activity or response by a chemical agent)

stimulative (vs. depressant) -- (capable of arousing or accelerating physiological or psychological activity or response by a chemical agent)
        => adrenocorticotropic, adrenocorticotrophic -- (stimulating or acting on the adrenal cortex)
        => analeptic -- (stimulating the central nervous system; "an analeptic drug stimulates the central nervous system")
        => excitant, excitative, excitatory -- ((of drugs e.g.) able to excite or stimulate)
        => irritating, irritative -- ((used of physical stimuli) serving to stimulate or excite; "an irritative agent")
        => stimulant, stimulating -- (that stimulates; "stimulant phenomena")

Similarity of adj depressant

1 sense of depressant

Sense 1
depressant (vs. stimulative) -- (capable of depressing physiological or psychological activity or response by a chemical agent)
       => ataractic, ataraxic, sedative, tranquilizing, tranquillizing, tranquilising, tranquillising -- (tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed")
       => narcotic, narcotizing, narcotising -- (inducing stupor or narcosis; "narcotic drugs")
       => relaxant -- (tending to relax or relieve muscular or nervous tension; "a relaxant drug")
       => soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic -- (sleep inducing)

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