Synonyms for somniferous
- adjective
Most common
All synonyms
Adjective
soporific, sleepy, somnific, slumberous, hypnotic, narcotic, opiate, somnolent, hypnagogic, drowsy, snoozy informal, soporiferous dated
Definitions
- adj. 1
causing or inducing sleep, normally with harmful overtones.
Example sentences
- sleepy Refresh yourself with a cup of coffee when sleepy.
- soporific The book I bought yesterday is a real soporific.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| somniferous | rising | |
| sleepy | rising | |
| soporific | steady | |
| somnific | steady | |
| slumberous | rising |
Use in printed books, per decade from 1850 to 2019.
By length
- 6 letters
- sleepy2, opiate3, drowsy2, snoozy
- 8 letters
- hypnotic3, narcotic3, somnific
- 9 letters
- soporific, somnolent3
- 10 letters
- hypnagogic, slumberous
- 12 letters
- soporiferous
The small number after each word is its number of syllables (sleepy2 = 2 syllables).