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Noun1.Jejunity - the quality of being vapid and unsophisticatedjejunity - the quality of being vapid and unsophisticated
dullness - the quality of lacking interestingness; "the stories were of a dullness to bring a buffalo to its knees"
2.jejunity - quality of lacking nutritive value
unwholesomeness, morbidness, morbidity - the quality of being unhealthful and generally bad for you