Synonyms of depressant

1 Syllable
drug
2 Syllables
joyless, mopey, downer, dampers, drugging, damper, calmant
3 Syllables
relaxant, opiate, pain-killer
4 Syllables
medicinals, intoxicant, tranquilizer, dormitive, pharmaceutic, tranquillizer
5 Syllables
pharmaceutical, barbiturate, pharmaceuticals