contrastimulant

== English == === Etymology === From contra- +‎ stimulant. === Noun === contrastimulant (plural contrastimulants) (archaic, pharmacology) Any substance that counteracts a stimulant. Synonym: depressant === Adjective === contrastimulant (comparative more contrastimulant, superlative most contrastimulant) (archaic, pharmacology) That reverses the effect of a stimulant. === References === “contrastimulant”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.