Definify.com

Webster 1913 Edition

(?; 277)

Adj.

[L.

sopor

a heavy sleep (akin to

somnus

sleep) +

facere

to make. See

Causing sleep; tending to cause sleep; soporiferous;

as, the

soporific

virtues of opium

Syn. – Somniferous; narcotic; opiate; anodyne.

Noun.

A medicine, drug, plant, or other agent that has the quality of inducing sleep; a narcotic.

Adj.

[L. sopor, sleep, and facio, to make.] Causing sleep; tending to cause sleep; narcotic; as the soporific virtues of opium.

Noun.

A medicine, drug, plant or other thing that has the quality of inducing sleep.