SINCE 1828
stupefacient
adjective
stu·pe·fa·cient
| \ ¦st(y)üpə¦fāshənt\
Definition of stupefacient
(Entry 1 of 2)
: bringing about a stupor : stupefying
stupefacient
noun
\ "\
plural -s
Definition of stupefacient (Entry 2 of 2)
: something promoting stupefaction : narcotic
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