antihypnotic

== English == === Etymology === From anti- +‎ hypnotic. === Adjective === antihypnotic (not comparable) (medicine) Tending to prevent sleep. === Noun === antihypnotic (plural antihypnotics) Something that prevents sleep. === References === “antihypnotic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.