Dictionary.com

somniferous

[ som-nif-er-uhs, suhm- ]
/ sɒmˈnɪf ər əs, səm- /
Save This Word!

adjective

bringing or inducing sleep, as drugs or influences.

QUIZZES

QUIZ YOURSELF ON THE MANY TYPES OF NOUNS

They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of somniferous

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

OTHER WORDS FROM somniferous

som·nif·er·ous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for somniferous

British Dictionary definitions for somniferous

somniferous

somnific

/ (sɒmˈnɪfərəs) /

adjective

rare tending to induce sleep

Derived forms of somniferous

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

Medical 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.
FEEDBACK