somniferous

[ som-nif-er-uh s, suh m- ]
/ sɒmˈnɪf ər əs, səm- /

adjective

bringing or inducing sleep, as drugs or influences.

Origin of somniferous

1595–1605; < Latin somnifer inducing sleep (somni-, combining form of somnus sleep + -fer -fer) + -ous

Related forms

som·nif·er·ous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for somniferous

British Dictionary definitions for somniferous

somniferous

somnific

/ (sɒmˈnɪfərəs) /

adjective

rare tending to induce sleep

Derived Forms

somniferously, adverb

Word Origin for somniferous

C17: from Latin somnifer (from somnus sleep + ferre to do) + -ous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for somniferous

somniferous

[ sŏm-nĭfər-əs ]

adj.

Inducing sleep; soporific.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.