| Noun | 1. jejunity - the quality of being vapid and unsophisticatedtameness, vapidity, vapidness, jejunenessdullness - the quality of lacking interestingness; "the stories were of a dullness to bring a buffalo to its knees" | | 2.jejunity - quality of lacking nutritive valuejejunenessunwholesomeness, morbidness, morbidity - the quality of being unhealthful and generally bad for you |