First Known Use: 1665
Dictionary
1soporific
adjective sop·o·rif·ic \ˌsä-pə-ˈri-fik\
: causing a person to become tired and ready to fall asleep
Full Definition of SOPORIFIC
1
a : causing or tending to cause sleep <soporific drugs> b : tending to dull awareness or alertness
2
: of, relating to, or marked by sleepiness or lethargy
See soporific defined for English-language learners
ADVERTISEMENT
Origin of SOPORIFIC
probably from French soporifique, from Latin sopor deep sleep; akin to Latin somnus sleep — more at somnolent
Related to SOPORIFIC
- Synonyms
- drowsy, narcotic, opiate, sleepy, slumberous (or slumbrous), somniferous, somnolent, hypnotic
- Antonyms
- stimulant
Other Pharmacology Terms
Rhymes with SOPORIFIC
2soporific
noun
Definition of SOPORIFIC
: a soporific agent; specifically : hypnotic 1
First Known Use of SOPORIFIC
circa 1727
Other Pharmacology Terms
Rhymes with SOPORIFIC
Learn More About SOPORIFIC
Browse
Next Word in the Dictionary: soporificalPrevious Word in the Dictionary: sopiteAll Words Near: soporific
ADVERTISEMENT
Seen & Heard
What made you want to look up soporific? Please tell us where you read or heard it (including the quote, if possible).