jə̇ˈjün, (ˈ)jē|jün adjective
Etymology: Latin jejunus
1. obsolete : lacking food : hungry
2. : inadequate to nourish the body or relieve hunger : wanting nutritive value
the jejune diets of the very poor
3.
a. : devoid of interest or significance : dull , flat , inane , vapid
the lectures … seemed jejune and platitudinous — John Buchan
literary history without evaluative criteria becomes jejune and sterile — C.I.Glicksberg
b. : giving evidence of lack of experience or information
a singularly brief, all too jejune , note on the historical events that occasioned the document — Times Literary Supplement
not appointed because they are qualified in investment or economics, but their comments on such matters need not be jejune — Economist
c. : immature , juvenile , puerile
the jejune behavior of an adolescent boy
jejune remarks on world affairs by one who possessed no relevant knowledge
Synonyms: see insipid