The Collaborative International Dictionary of English v.0.48:

Inebriant \In*e"bri*ant\, a. [L. inebrians, p. pr. of inebriare.
   See Inebriate.]
   Intoxicating.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Inebriant \In*e"bri*ant\, n.
   Anything that intoxicates, as opium, alcohol, etc.; an
   intoxicant. --Smart.
   [1913 Webster]

WordNet (r) 3.0 (2006):

inebriant
    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]