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soporific
adjective
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How to pronounce soporific:

Definition of soporific:

soporific (adjective):
causing sleep
causing or tending to cause sleep

Synonyms for soporific:

drughypnotic

Antonyms for soporific:

excitingupliftinguninterestingupsettingsalubriousinvigoratingencouraginginspiringrefreshingfresh
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Other 4-syllable words like soporific

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