a generally soporific or at best listless phone conversation

What had formerly been a sedative, a tranquilizing soporific, had morphed into a facilitator of reflection

these soporific linguistic screensavers

the soporific blandness of "solutions"

maintains us in a state of soporific wakefulness

As pedantic prose, it has potent soporific properties.

So this is what my life has been reduced to. What the vast expanses of my past boil down to. A soporific.

an intelligent, amiable Greek whose soporific discourses on social injustice were his only fault

I think English settles naturally into iambs, and it’s sort of soporific.

the soporific death by comfort of contemporary America as embodied in the eponymous film

antagonize the soporific fog of solipsism

as if Rosler no longer trusts her audience to infer ambiguous cues or take her Frankfurt School meditations for anything but soporific jargon