Synonyms of soporific in English:

soporific


See US English definition of soporific

See UK English definition of soporific

See Spanish definition of soporífero

adjective

1‘soporific drugs’

SYNONYMS
sleep-inducing, somnolent, sedative, calmative, tranquillizing, narcotic, opiate, drowsy, sleepy, somniferous
boring, dull, deadly dull, monotonous
Medicine hypnotic
rare somnific
ANTONYMS

invigorating


noun

1‘she was given a soporific’

SYNONYMS
sleeping pill, sleeping potion, sedative, calmative, tranquillizer, narcotic, opiate
Medicine hypnotic
ANTONYMS

stimulant