soporific
Definition of abbreviation (noun) -
causing sleep; causing drowsinessPart of speech:
Adjectivemore soporific; most soporific; less soporific; least soporific
Example sentences with this word:
The motion of the train, the clickety-click of the rail joints, had a somewhat soporific effect on Mr Wishart and he found himself nodding off.
The soporific medication should not be taken when you need to drive.
Morphine has soporific properties.
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