adjective
1.
Synonyms: soporific 1, narcotic, opiate, slumberous, somnifacient, somniferous, somnific, somnorific, soporiferous, soporifical
2.
Synonyms: sleepy 1, dozy, drowsy, nodding, ||peepy, ||sloomy, slumberous, slumbery, snoozy, soporific
Related Word: inactive, passive, supine