Source : Webster's Revised Unabridged Dictionary (1913)

Jejunity \Je*ju"ni*ty\, n.
   The quality of being jejune; jejuneness.

Source : WordNet®

jejunity
     n 1: the quality of being vapid and unsophisticated [syn: {jejuneness},
           {tameness}, {vapidity}, {vapidness}]
     2: quality of lacking nutritive value [syn: {jejuneness}]