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Synonyms

somniferous

American  
[som-nif-er-uhs, suhm-] / sɒmˈnɪf ər əs, səm- /

adjective

  1. bringing or inducing sleep, as drugs or influences.


somniferous British  
/ sɒmˈnɪfərəs /

adjective

  1. rare tending to induce sleep

"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

Other Word Forms

Derived Forms

Etymology

Origin of somniferous

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

Explanation

Whether it's a medication or a boring lecture, something somniferous makes you sleepy. Like soporific, somniferous is a word used to describe something that puts you to sleep. Some people who have trouble snoozing take pills that are somniferous: sleeping pills. Others do somniferous things, like reading before bed or counting sheep. A bad public speaker can be really somniferous, and so can a boring movie. Anything somniferous makes you want to catch some Z's.

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Vocabulary lists containing somniferous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Everyone was back in the Dolby Theatre, a welcome return after last year’s somniferous experiment from Steven Soderbergh, which was held in Los Angeles’s Union Station.

From Washington Post • Mar. 28, 2022

Still, it’s a somniferous situation for the photographers, who camp out in their cars for hours at a time for a few seconds of activity.

From New York Times • Jun. 1, 2019

About 15% sleep less than 6� hours, and a somniferous 15% slumber on for more than � hours.

From Time Magazine Archive

A “sleep-thorn,” or other somniferous piece of wood, is commonly employed in our fairy tales, in order to throw a hero or heroine into a magic slumber.

From Indian Fairy Tales by Anonymous

Her study of library-cataloguing, recording, books of reference, was easy and not too somniferous.

From Main Street by Lewis, Sinclair

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