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somniferous

[ som-nif-er-uhs, suhm- ]
/ sɒmˈnɪf ər əs, səm- /
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adjective
bringing or inducing sleep, as drugs or influences.
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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. 2023

How to use somniferous in a sentence

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
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