Entry 2 senses · 2 variants Webster, 1913 Inebriant · In·e·bri·ant · IPA a. n. 01 a. Intoxicating. 1. Intoxicating. 02 n. Anything that intoxicates, as opium, alcohol, etc.; an intoxicant. 1. Anything that intoxicates, as opium, alcohol, etc.; an intoxicant.