soporiferous

Causing heavy eyelids

Soporiferous means sleep-inducing or causing drowsiness.

The word is a more elaborate, literary alternative to soporific: The soporiferous drone of the lecturer sent half the class into a stupor.

It can describe anything from medications to monotonous speeches.

drowsy

sleepy

Wanting to doze

dozy · nodding · yawning · heavy-eyed · bleary · groggy · torpid · sluggish · lethargic · languid

sedative

narcotic

Addictive sedative drug

laudanum · morphine · phenobarbital · somniferous · calmative · anesthetic · tranquilizer · sleeping pill · sedation · downer

tranquil

soothing

Reducing distress or discomfort

restful · serene · gentle · quieting · placid · hushed · reposeful · becalming · pacifying · relaxing

tedious

boring

Failing to engage interest

tiresome · wearisome · unexciting · humdrum · mind-numbing · stupefying · yawn-inducing · deadening · unstimulating · plodding

Opposites
physiological alertness effect

soporiferousstimulating

Arousing interest or energy

invigorating · energizing · stimulative · awakening · revitalizing

engagement or interest

soporiferousriveting

Completely holding one's attention

captivating · gripping · engrossing · fascinating · interesting

Family

sleep-inducing, soporific

Familiarity
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Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G