intoxicant
adj 1: causing [syn: {intoxicant}, {intoxicating}]
n 1: a liquor or brew containing alcohol as the active agent;
"alcohol (or drink) ruined him" [syn: {alcohol}, {alcoholic
drink}, {alcoholic beverage}, {intoxicant}, {inebriant}]
2: a drug that can produce a state of intoxication
Intoxicant \In*tox"i*cant\, n.
That which intoxicates; an intoxicating agent; as, alcohol,
opium, and laughing gas are intoxicants.
[1913 Webster]