opiate

adj

1. (not-comparable)Relating to, resembling, or containing opium.
2. (not-comparable)Soporific; inducing sleep or sedation.
3. (not-comparable)Deadening; causing apathy or dullness.

noun

1. A drug, hormone or other substance derived from or related to opium.
2. Something that dulls the senses and induces a false and unrealistic sense of contentment.

   “They chose atheism as an opiate.”

   “The music—the fragrance of the flowers, whose odour was exhaling in the now falling dew—the languor of recent exertion—the sense of past dangers and present security—operated on Beatrice like the first and delicious stage of an opiate.”

verb

1. (transitive)To treat with an opiate drug.