"Jejune" is an adjective used to describe something that is dull, simplistic, or lacking substance, often to the point of being childish or unsatisfyingly basic. Etymology : The term "jejune" derives from the Latin word "jejunus," which originally meant "empty of food" or "fasting." Over time, it evolved to also mean "lacking nutritive value" or "unsatisfying." In English, it shifted to convey the idea of something insipid, shallow, or uninteresting. Synonyms: vapid, insipid, banal, trite, dull, childish Antonyms : stimulating, engaging, substantial, profound, interesting, sophisticated Sample Sentences : 1. The presentation was disappointingly jejune , offering no new insights or valuable information. 2. Despite its promising premise, the movie turned out to be a jejune attempt at comedy, relying on tired clichés. 3. The book's jejune prose failed to capture the depth of its subject matter, leaving readers ...