soporific

(s) sleep inducing hypnagogic, hypnogogic, somniferous, somnific, soporiferous,
(s) inducing mental lethargy
- a narcotic speech
soporiferous, narcotic,

Nouns

(n) a drug that induces sleep hypnotic,

Synonyms

hypnotic hypnagogic hypnogogic somniferous somnific soporiferous narcotic

Words of close approximity