Cŏn’tra-stīm’ū-lant1, n.
n. (Med.) An agent which counteracts the effect of a stimulant.
2 entries under this word
Contrastimulant
Cōn’tra-stīm’ū-lant2, a.
a. Counteracting the effects of stimulants; relating to a style of medical treatment based on a theory of contra-stimulants.
Dunglison.