Webster's Revised Unabridged Dictionary · 1913

Jejune

Jejune , adjective

[Latin jejunus fasting, hungry, dry, barren, scanty; of unknown origin.]

1.
Lacking matter; empty; void of substance.
2.
Void of interest; barren; meager; dry; as, a jejune narrative.
3.
Juvenile; childish; immature.
4.
Lacking nutritional value.