Definition of "jejunosity"

Sonja (Diane Keaton): That is incredibly jejune. / Boris (Woody Allen): That's jejune? You have the temerity to say that I'm talking to you out of jejunosity? I am one of the most june people in all of the Russias!"

1975, Woody Allen, Love And Death (motion picture)

It could be that all other Sparks adaptations managed to, if not hide, distract from their inherent jejunosity—to borrow from Woody Allen—through cardboard villains, but The Choice doesn’t give viewers the, ahem, choice but to contemplate the banality of virtue.

2016 February 4, Eric Henderson, “Review: The Choice”, in Slant Magazine‎

You have to lob his own jejunosity back at him. In a Trump takedown billed as a foreign policy address in San Diego on Thursday, Hillary scored several points.

2016 June 4, Maureen Dowd, “John Adams Was a Hermaphrodite?”, in New York Times‎